[cc] Make LayerImpls point at LayerTreeImpl instead of LTHI

cc/tiled_layer_unittest.cc

 // Copyright 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "cc/tiled_layer.h"
 
 #include "cc/bitmap_content_layer_updater.h"
 #include "cc/layer_painter.h"
 #include "cc/overdraw_metrics.h"
 #include "cc/rendering_stats.h"
@@ skipping 58 matching lines @@
     virtual ~TiledLayerTest()
     {
         resourceManagerClearAllMemory(m_resourceManager.get(), m_resourceProvider.get());
         DebugScopedSetImplThreadAndMainThreadBlocked implThreadAndMainThreadBlocked(m_proxy);
         m_resourceProvider.reset();
         m_hostImpl.reset();
     }
 
     class ScopedFakeTiledLayerImpl {
     public:
-        ScopedFakeTiledLayerImpl(LayerTreeHostImpl* hostImpl, int id)
+        ScopedFakeTiledLayerImpl(LayerTreeImpl* treeImpl, int id)
         {
-            m_layerImpl = new FakeTiledLayerImpl(hostImpl, id);
+            m_layerImpl = new FakeTiledLayerImpl(treeImpl, id);
         }
         ~ScopedFakeTiledLayerImpl()
         {
             delete m_layerImpl;
         }
         FakeTiledLayerImpl* get()
         {
             return m_layerImpl;
         }
         FakeTiledLayerImpl* operator->()
@@ skipping 83 matching lines @@
     FakeLayerImplTreeHostClient m_fakeLayerImplTreeHostClient;
     scoped_ptr<LayerTreeHost> m_layerTreeHost;
     scoped_ptr<FakeLayerTreeHostImpl> m_hostImpl;
     scoped_ptr<PrioritizedResourceManager> m_resourceManager;
     TestOcclusionTracker* m_occlusion;
 };
 
 TEST_F(TiledLayerTest, pushDirtyTiles)
 {
     scoped_refptr<FakeTiledLayer> layer = make_scoped_refptr(new FakeTiledLayer(m_resourceManager.get()));
-    ScopedFakeTiledLayerImpl layerImpl(m_hostImpl.get(), 1);
+    ScopedFakeTiledLayerImpl layerImpl(m_hostImpl->activeTree(), 1);
 
     // The tile size is 100x100, so this invalidates and then paints two tiles.
     layer->setBounds(gfx::Size(100, 200));
     layer->drawProperties().visible_content_rect = gfx::Rect(0, 0, 100, 200);
     layer->invalidateContentRect(gfx::Rect(0, 0, 100, 200));
     updateAndPush(layer.get(), layerImpl.get());
 
     // We should have both tiles on the impl side.
     EXPECT_TRUE(layerImpl->hasResourceIdForTileAt(0, 0));
     EXPECT_TRUE(layerImpl->hasResourceIdForTileAt(0, 1));
 
     // Invalidates both tiles, but then only update one of them.
     layer->setBounds(gfx::Size(100, 200));
     layer->drawProperties().visible_content_rect = gfx::Rect(0, 0, 100, 100);
     layer->invalidateContentRect(gfx::Rect(0, 0, 100, 200));
     updateAndPush(layer.get(), layerImpl.get());
 
     // We should only have the first tile since the other tile was invalidated but not painted.
     EXPECT_TRUE(layerImpl->hasResourceIdForTileAt(0, 0));
     EXPECT_FALSE(layerImpl->hasResourceIdForTileAt(0, 1));
 }
 
 TEST_F(TiledLayerTest, pushOccludedDirtyTiles)
 {
     scoped_refptr<FakeTiledLayer> layer = make_scoped_refptr(new FakeTiledLayer(m_resourceManager.get()));
-    ScopedFakeTiledLayerImpl layerImpl(m_hostImpl.get(), 1);
+    ScopedFakeTiledLayerImpl layerImpl(m_hostImpl->activeTree(), 1);
     TestOcclusionTracker occluded;
     m_occlusion = &occluded;
 
     // The tile size is 100x100, so this invalidates and then paints two tiles.
     layer->setBounds(gfx::Size(100, 200));
     layer->drawProperties().visible_content_rect = gfx::Rect(0, 0, 100, 200);
     layer->drawProperties().drawable_content_rect = gfx::Rect(0, 0, 100, 200);
     layer->invalidateContentRect(gfx::Rect(0, 0, 100, 200));
     updateAndPush(layer.get(), layerImpl.get());
 
@@ skipping 16 matching lines @@
     EXPECT_EQ(0, occluded.overdrawMetrics().tilesCulledForUpload());
 
     // We should still have both tiles, as part of the top tile is still unoccluded.
     EXPECT_TRUE(layerImpl->hasResourceIdForTileAt(0, 0));
     EXPECT_TRUE(layerImpl->hasResourceIdForTileAt(0, 1));
 }
 
 TEST_F(TiledLayerTest, pushDeletedTiles)
 {
     scoped_refptr<FakeTiledLayer> layer = make_scoped_refptr(new FakeTiledLayer(m_resourceManager.get()));
-    ScopedFakeTiledLayerImpl layerImpl(m_hostImpl.get(), 1);
+    ScopedFakeTiledLayerImpl layerImpl(m_hostImpl->activeTree(), 1);
 
     // The tile size is 100x100, so this invalidates and then paints two tiles.
     layer->setBounds(gfx::Size(100, 200));
     layer->drawProperties().visible_content_rect = gfx::Rect(0, 0, 100, 200);
     layer->invalidateContentRect(gfx::Rect(0, 0, 100, 200));
     updateAndPush(layer.get(), layerImpl.get());
 
     // We should have both tiles on the impl side.
     EXPECT_TRUE(layerImpl->hasResourceIdForTileAt(0, 0));
     EXPECT_TRUE(layerImpl->hasResourceIdForTileAt(0, 1));
@@ skipping 14 matching lines @@
     updateAndPush(layer.get(), layerImpl.get());
 
     // We should have one tiles on the impl side.
     EXPECT_TRUE(layerImpl->hasResourceIdForTileAt(0, 0));
     EXPECT_FALSE(layerImpl->hasResourceIdForTileAt(0, 1));
 }
 
 TEST_F(TiledLayerTest, pushIdlePaintTiles)
 {
     scoped_refptr<FakeTiledLayer> layer = make_scoped_refptr(new FakeTiledLayer(m_resourceManager.get()));
-    ScopedFakeTiledLayerImpl layerImpl(m_hostImpl.get(), 1);
+    ScopedFakeTiledLayerImpl layerImpl(m_hostImpl->activeTree(), 1);
 
     // The tile size is 100x100. Setup 5x5 tiles with one visible tile in the center.
     // This paints 1 visible of the 25 invalid tiles.
     layer->setBounds(gfx::Size(500, 500));
     layer->drawProperties().visible_content_rect = gfx::Rect(200, 200, 100, 100);
     layer->invalidateContentRect(gfx::Rect(0, 0, 500, 500));
     bool needsUpdate = updateAndPush(layer.get(), layerImpl.get());
     // We should need idle-painting for surrounding tiles.
     EXPECT_TRUE(needsUpdate);
 
@@ skipping 15 matching lines @@
         for (int j = 0; j < 5; j++)
             EXPECT_TRUE(layerImpl->hasResourceIdForTileAt(i, j));
     }
 
     EXPECT_FALSE(needsUpdate);
 }
 
 TEST_F(TiledLayerTest, predictivePainting)
 {
     scoped_refptr<FakeTiledLayer> layer = make_scoped_refptr(new FakeTiledLayer(m_resourceManager.get()));
-    ScopedFakeTiledLayerImpl layerImpl(m_hostImpl.get(), 1);
+    ScopedFakeTiledLayerImpl layerImpl(m_hostImpl->activeTree(), 1);
 
     // Prepainting should occur in the scroll direction first, and the
     // visible rect should be extruded only along the dominant axis.
     gfx::Vector2d directions[6] = { gfx::Vector2d(-10, 0),
                                     gfx::Vector2d(10, 0),
                                     gfx::Vector2d(0, -10),
                                     gfx::Vector2d(0, 10),
                                     gfx::Vector2d(10, 20),
                               gfx::Vector2d(-20, 10) };
     // We should push all tiles that touch the extruded visible rect.
@@ skipping 53 matching lines @@
             needsUpdate = updateAndPush(layer.get(), layerImpl.get());
         EXPECT_FALSE(needsUpdate);
     }
 }
 
 TEST_F(TiledLayerTest, pushTilesAfterIdlePaintFailed)
 {
     // Start with 2mb of memory, but the test is going to try to use just more than 1mb, so we reduce to 1mb later.
     m_resourceManager->setMaxMemoryLimitBytes(2 * 1024 * 1024);
     scoped_refptr<FakeTiledLayer> layer1 = make_scoped_refptr(new FakeTiledLayer(m_resourceManager.get()));
-    ScopedFakeTiledLayerImpl layerImpl1(m_hostImpl.get(), 1);
+    ScopedFakeTiledLayerImpl layerImpl1(m_hostImpl->activeTree(), 1);
     scoped_refptr<FakeTiledLayer> layer2 = make_scoped_refptr(new FakeTiledLayer(m_resourceManager.get()));
-    ScopedFakeTiledLayerImpl layerImpl2(m_hostImpl.get(), 2);
+    ScopedFakeTiledLayerImpl layerImpl2(m_hostImpl->activeTree(), 2);
 
     // For this test we have two layers. layer1 exhausts most texture memory, leaving room for 2 more tiles from
     // layer2, but not all three tiles. First we paint layer1, and one tile from layer2. Then when we idle paint
     // layer2, we will fail on the third tile of layer2, and this should not leave the second tile in a bad state.
 
     // This uses 960000 bytes, leaving 88576 bytes of memory left, which is enough for 2 tiles only in the other layer.
     gfx::Rect layer1Rect(0, 0, 100, 2400);
     
     // This requires 4*30000 bytes of memory.
     gfx::Rect layer2Rect(0, 0, 100, 300);
@@ skipping 29 matching lines @@
     EXPECT_TRUE(layerImpl2->hasResourceIdForTileAt(0, 1));
     EXPECT_TRUE(layerImpl2->hasResourceIdForTileAt(0, 1));
     
     EXPECT_FALSE(needsUpdate);
     EXPECT_FALSE(layerImpl2->hasResourceIdForTileAt(0, 2));
 }
 
 TEST_F(TiledLayerTest, pushIdlePaintedOccludedTiles)
 {
     scoped_refptr<FakeTiledLayer> layer = make_scoped_refptr(new FakeTiledLayer(m_resourceManager.get()));
-    ScopedFakeTiledLayerImpl layerImpl(m_hostImpl.get(), 1);
+    ScopedFakeTiledLayerImpl layerImpl(m_hostImpl->activeTree(), 1);
     TestOcclusionTracker occluded;
     m_occlusion = &occluded;
     
     // The tile size is 100x100, so this invalidates one occluded tile, culls it during paint, but prepaints it.
     occluded.setOcclusion(gfx::Rect(0, 0, 100, 100));
 
     layer->setBounds(gfx::Size(100, 100));
     layer->drawProperties().visible_content_rect = gfx::Rect(0, 0, 100, 100);
     updateAndPush(layer.get(), layerImpl.get());
 
     // We should have the prepainted tile on the impl side, but culled it during paint.
     EXPECT_TRUE(layerImpl->hasResourceIdForTileAt(0, 0));
     EXPECT_EQ(1, occluded.overdrawMetrics().tilesCulledForUpload());
 }
 
 TEST_F(TiledLayerTest, pushTilesMarkedDirtyDuringPaint)
 {
     scoped_refptr<FakeTiledLayer> layer = make_scoped_refptr(new FakeTiledLayer(m_resourceManager.get()));
-    ScopedFakeTiledLayerImpl layerImpl(m_hostImpl.get(), 1);
+    ScopedFakeTiledLayerImpl layerImpl(m_hostImpl->activeTree(), 1);
 
     // The tile size is 100x100, so this invalidates and then paints two tiles.
     // However, during the paint, we invalidate one of the tiles. This should
     // not prevent the tile from being pushed.
     layer->fakeLayerUpdater()->setRectToInvalidate(gfx::Rect(0, 50, 100, 50), layer.get());
     layer->setBounds(gfx::Size(100, 200));
     layer->drawProperties().visible_content_rect = gfx::Rect(0, 0, 100, 200);
     updateAndPush(layer.get(), layerImpl.get());
 
     // We should have both tiles on the impl side.
     EXPECT_TRUE(layerImpl->hasResourceIdForTileAt(0, 0));
     EXPECT_TRUE(layerImpl->hasResourceIdForTileAt(0, 1));
 }
 
 TEST_F(TiledLayerTest, pushTilesLayerMarkedDirtyDuringPaintOnNextLayer)
 {
     scoped_refptr<FakeTiledLayer> layer1 = make_scoped_refptr(new FakeTiledLayer(m_resourceManager.get()));
     scoped_refptr<FakeTiledLayer> layer2 = make_scoped_refptr(new FakeTiledLayer(m_resourceManager.get()));
-    ScopedFakeTiledLayerImpl layer1Impl(m_hostImpl.get(), 1);
-    ScopedFakeTiledLayerImpl layer2Impl(m_hostImpl.get(), 2);
+    ScopedFakeTiledLayerImpl layer1Impl(m_hostImpl->activeTree(), 1);
+    ScopedFakeTiledLayerImpl layer2Impl(m_hostImpl->activeTree(), 2);
 
     // Invalidate a tile on layer1, during update of layer 2.
     layer2->fakeLayerUpdater()->setRectToInvalidate(gfx::Rect(0, 50, 100, 50), layer1.get());
     layer1->setBounds(gfx::Size(100, 200));
     layer1->drawProperties().visible_content_rect = gfx::Rect(0, 0, 100, 200);
     layer2->setBounds(gfx::Size(100, 200));
     layer2->drawProperties().visible_content_rect = gfx::Rect(0, 0, 100, 200);
     updateAndPush(layer1.get(), layer1Impl.get(),
                   layer2.get(), layer2Impl.get());
 
     // We should have both tiles on the impl side for all layers.
     EXPECT_TRUE(layer1Impl->hasResourceIdForTileAt(0, 0));
     EXPECT_TRUE(layer1Impl->hasResourceIdForTileAt(0, 1));
     EXPECT_TRUE(layer2Impl->hasResourceIdForTileAt(0, 0));
     EXPECT_TRUE(layer2Impl->hasResourceIdForTileAt(0, 1));
 }
 
 TEST_F(TiledLayerTest, pushTilesLayerMarkedDirtyDuringPaintOnPreviousLayer)
 {
     scoped_refptr<FakeTiledLayer> layer1 = make_scoped_refptr(new FakeTiledLayer(m_resourceManager.get()));
     scoped_refptr<FakeTiledLayer> layer2 = make_scoped_refptr(new FakeTiledLayer(m_resourceManager.get()));
-    ScopedFakeTiledLayerImpl layer1Impl(m_hostImpl.get(), 1);
-    ScopedFakeTiledLayerImpl layer2Impl(m_hostImpl.get(), 2);
+    ScopedFakeTiledLayerImpl layer1Impl(m_hostImpl->activeTree(), 1);
+    ScopedFakeTiledLayerImpl layer2Impl(m_hostImpl->activeTree(), 2);
 
     layer1->fakeLayerUpdater()->setRectToInvalidate(gfx::Rect(0, 50, 100, 50), layer2.get());
     layer1->setBounds(gfx::Size(100, 200));
     layer1->drawProperties().visible_content_rect = gfx::Rect(0, 0, 100, 200);
     layer2->setBounds(gfx::Size(100, 200));
     layer2->drawProperties().visible_content_rect = gfx::Rect(0, 0, 100, 200);
     updateAndPush(layer1.get(), layer1Impl.get(),
                   layer2.get(), layer2Impl.get());
 
     // We should have both tiles on the impl side for all layers.
@@ skipping 20 matching lines @@
         int memoryForLayer = layerWidth * layerHeight * 4;
         layerTreeHost->setViewportSize(gfx::Size(layerWidth, layerHeight), gfx::Size(layerWidth, layerHeight));
 
         // Use 10x5 tiles to run out of memory.
         if (runOutOfMemory[i])
             layerWidth *= 2;
 
         m_resourceManager->setMaxMemoryLimitBytes(memoryForLayer);
 
         scoped_refptr<FakeTiledLayer> layer = make_scoped_refptr(new FakeTiledLayer(m_resourceManager.get()));
-        ScopedFakeTiledLayerImpl layerImpl(m_hostImpl.get(), 1);
+        ScopedFakeTiledLayerImpl layerImpl(m_hostImpl->activeTree(), 1);
 
         // Full size layer with half being visible.
         gfx::Size contentBounds(layerWidth, layerHeight);
         gfx::Rect contentRect(gfx::Point(), contentBounds);
         gfx::Rect visibleRect(gfx::Point(), gfx::Size(layerWidth / 2, layerHeight));
 
         // Pretend the layer is animating.
         layer->drawProperties().target_space_transform_is_animating = true;
         layer->setBounds(contentBounds);
         layer->drawProperties().visible_content_rect = visibleRect;
@@ skipping 21 matching lines @@
                 for (int j = 0; j < 5; ++j)
                     EXPECT_EQ(layerImpl->hasResourceIdForTileAt(i, j), i < 5);
             }
         }
     }
 }
 
 TEST_F(TiledLayerTest, idlePaintOutOfMemory)
 {
     scoped_refptr<FakeTiledLayer> layer = make_scoped_refptr(new FakeTiledLayer(m_resourceManager.get()));
-    ScopedFakeTiledLayerImpl layerImpl(m_hostImpl.get(), 1);
+    ScopedFakeTiledLayerImpl layerImpl(m_hostImpl->activeTree(), 1);
 
     // We have enough memory for only the visible rect, so we will run out of memory in first idle paint.
     int memoryLimit = 4 * 100 * 100; // 1 tiles, 4 bytes per pixel.
     m_resourceManager->setMaxMemoryLimitBytes(memoryLimit);
 
     // The tile size is 100x100, so this invalidates and then paints two tiles.
     bool needsUpdate = false;
     layer->setBounds(gfx::Size(300, 300));
     layer->drawProperties().visible_content_rect = gfx::Rect(100, 100, 100, 100);
     for (int i = 0; i < 2; i++)
         needsUpdate = updateAndPush(layer.get(), layerImpl.get());
 
     // Idle-painting should see no more priority tiles for painting.
     EXPECT_FALSE(needsUpdate);
 
     // We should have one tile on the impl side.
     EXPECT_TRUE(layerImpl->hasResourceIdForTileAt(1, 1));
 }
 
 TEST_F(TiledLayerTest, idlePaintZeroSizedLayer)
 {
     scoped_refptr<FakeTiledLayer> layer = make_scoped_refptr(new FakeTiledLayer(m_resourceManager.get()));
-    ScopedFakeTiledLayerImpl layerImpl(m_hostImpl.get(), 1);
+    ScopedFakeTiledLayerImpl layerImpl(m_hostImpl->activeTree(), 1);
 
     bool animating[2] = {false, true};
     for (int i = 0; i < 2; i++) {
         // Pretend the layer is animating.
         layer->drawProperties().target_space_transform_is_animating = animating[i];
 
         // The layer's bounds are empty.
         // Empty layers don't paint or idle-paint.
         layer->setBounds(gfx::Size());
         layer->drawProperties().visible_content_rect = gfx::Rect();
         bool needsUpdate = updateAndPush(layer.get(), layerImpl.get());
         
         // Empty layers don't have tiles.
         EXPECT_EQ(0u, layer->numPaintedTiles());
 
         // Empty layers don't need prepaint.
         EXPECT_FALSE(needsUpdate);
 
         // Empty layers don't have tiles.
         EXPECT_FALSE(layerImpl->hasResourceIdForTileAt(0, 0));
     }
 }
 
 TEST_F(TiledLayerTest, idlePaintNonVisibleLayers)
 {
     scoped_refptr<FakeTiledLayer> layer = make_scoped_refptr(new FakeTiledLayer(m_resourceManager.get()));
-    ScopedFakeTiledLayerImpl layerImpl(m_hostImpl.get(), 1);
+    ScopedFakeTiledLayerImpl layerImpl(m_hostImpl->activeTree(), 1);
 
     // Alternate between not visible and visible.
     gfx::Rect v(0, 0, 100, 100);
     gfx::Rect nv(0, 0, 0, 0);
     gfx::Rect visibleRect[10] = {nv, nv, v, v, nv, nv, v, v, nv, nv};
     bool invalidate[10] =  {true, true, true, true, true, true, true, true, false, false };
 
     // We should not have any tiles except for when the layer was visible
     // or after the layer was visible and we didn't invalidate.
     bool haveTile[10] = { false, false, true, true, false, false, true, true, true, true };
     
     for (int i = 0; i < 10; i++) {
         layer->setBounds(gfx::Size(100, 100));
         layer->drawProperties().visible_content_rect = visibleRect[i];
 
         if (invalidate[i])
             layer->invalidateContentRect(gfx::Rect(0, 0, 100, 100));
         bool needsUpdate = updateAndPush(layer.get(), layerImpl.get());
         
         // We should never signal idle paint, as we painted the entire layer
         // or the layer was not visible.
         EXPECT_FALSE(needsUpdate);
         EXPECT_EQ(layerImpl->hasResourceIdForTileAt(0, 0), haveTile[i]);
     }
 }
 
 TEST_F(TiledLayerTest, invalidateFromPrepare)
 {
     scoped_refptr<FakeTiledLayer> layer = make_scoped_refptr(new FakeTiledLayer(m_resourceManager.get()));
-    ScopedFakeTiledLayerImpl layerImpl(m_hostImpl.get(), 1);
+    ScopedFakeTiledLayerImpl layerImpl(m_hostImpl->activeTree(), 1);
 
     // The tile size is 100x100, so this invalidates and then paints two tiles.
     layer->setBounds(gfx::Size(100, 200));
     layer->drawProperties().visible_content_rect = gfx::Rect(0, 0, 100, 200);
     updateAndPush(layer.get(), layerImpl.get());
 
     // We should have both tiles on the impl side.
     EXPECT_TRUE(layerImpl->hasResourceIdForTileAt(0, 0));
     EXPECT_TRUE(layerImpl->hasResourceIdForTileAt(0, 1));
 
@@ skipping 52 matching lines @@
     layer->invalidateContentRect(partialDamage);
     layer->setTexturePriorities(m_priorityCalculator);
     m_resourceManager->prioritizeTextures();
     layer->update(*m_queue.get(), 0, m_stats);
     EXPECT_FLOAT_RECT_EQ(gfx::RectF(45, 80, 15, 8), layer->updateRect());
 }
 
 TEST_F(TiledLayerTest, verifyInvalidationWhenContentsScaleChanges)
 {
     scoped_refptr<FakeTiledLayer> layer = make_scoped_refptr(new FakeTiledLayer(m_resourceManager.get()));
-    ScopedFakeTiledLayerImpl layerImpl(m_hostImpl.get(), 1);
+    ScopedFakeTiledLayerImpl layerImpl(m_hostImpl->activeTree(), 1);
 
     // Create a layer with one tile.
     layer->setBounds(gfx::Size(100, 100));
     layer->drawProperties().visible_content_rect = gfx::Rect(0, 0, 100, 100);
 
     // Invalidate the entire layer.
     layer->setNeedsDisplay();
     EXPECT_FLOAT_RECT_EQ(gfx::RectF(0, 0, 100, 100), layer->lastNeedsDisplayRect());
 
     // Push the tiles to the impl side and check that there is exactly one.
@@ skipping 131 matching lines @@
     layer->drawProperties().visible_content_rect = contentRect;
     layer->invalidateContentRect(contentRect);
 
     m_layerTreeHost->setRootLayer(layer);
     m_layerTreeHost->setViewportSize(gfx::Size(300, 200), gfx::Size(300, 200));
 
     // Full update of all 6 tiles.
     m_layerTreeHost->updateLayers(
         *m_queue.get(), std::numeric_limits<size_t>::max());
     {
-        ScopedFakeTiledLayerImpl layerImpl(m_hostImpl.get(), 1);
+        ScopedFakeTiledLayerImpl layerImpl(m_hostImpl->activeTree(), 1);
         EXPECT_EQ(6, m_queue->fullUploadSize());
         EXPECT_EQ(0, m_queue->partialUploadSize());
         updateTextures();
         EXPECT_EQ(6, layer->fakeLayerUpdater()->updateCount());
         EXPECT_FALSE(m_queue->hasMoreUpdates());
         layer->fakeLayerUpdater()->clearUpdateCount();
         layerPushPropertiesTo(layer.get(), layerImpl.get());
     }
     m_layerTreeHost->commitComplete();
 
     // Full update of 3 tiles and partial update of 3 tiles.
     layer->invalidateContentRect(gfx::Rect(0, 0, 300, 150));
     m_layerTreeHost->updateLayers(*m_queue.get(), std::numeric_limits<size_t>::max());
     {
-        ScopedFakeTiledLayerImpl layerImpl(m_hostImpl.get(), 1);
+        ScopedFakeTiledLayerImpl layerImpl(m_hostImpl->activeTree(), 1);
         EXPECT_EQ(3, m_queue->fullUploadSize());
         EXPECT_EQ(3, m_queue->partialUploadSize());
         updateTextures();
         EXPECT_EQ(6, layer->fakeLayerUpdater()->updateCount());
         EXPECT_FALSE(m_queue->hasMoreUpdates());
         layer->fakeLayerUpdater()->clearUpdateCount();
         layerPushPropertiesTo(layer.get(), layerImpl.get());
     }
     m_layerTreeHost->commitComplete();
 
     // Partial update of 6 tiles.
     layer->invalidateContentRect(gfx::Rect(50, 50, 200, 100));
     {
-        ScopedFakeTiledLayerImpl layerImpl(m_hostImpl.get(), 1);
+        ScopedFakeTiledLayerImpl layerImpl(m_hostImpl->activeTree(), 1);
         m_layerTreeHost->updateLayers(*m_queue.get(), std::numeric_limits<size_t>::max());
         EXPECT_EQ(2, m_queue->fullUploadSize());
         EXPECT_EQ(4, m_queue->partialUploadSize());
         updateTextures();
         EXPECT_EQ(6, layer->fakeLayerUpdater()->updateCount());
         EXPECT_FALSE(m_queue->hasMoreUpdates());
         layer->fakeLayerUpdater()->clearUpdateCount();
         layerPushPropertiesTo(layer.get(), layerImpl.get());
     }
     m_layerTreeHost->commitComplete();
 
     // Checkerboard all tiles.
     layer->invalidateContentRect(gfx::Rect(0, 0, 300, 200));
     {
-        ScopedFakeTiledLayerImpl layerImpl(m_hostImpl.get(), 1);
+        ScopedFakeTiledLayerImpl layerImpl(m_hostImpl->activeTree(), 1);
         layerPushPropertiesTo(layer.get(), layerImpl.get());
     }
     m_layerTreeHost->commitComplete();
 
     // Partial update of 6 checkerboard tiles.
     layer->invalidateContentRect(gfx::Rect(50, 50, 200, 100));
     {
-        ScopedFakeTiledLayerImpl layerImpl(m_hostImpl.get(), 1);
+        ScopedFakeTiledLayerImpl layerImpl(m_hostImpl->activeTree(), 1);
         m_layerTreeHost->updateLayers(*m_queue.get(), std::numeric_limits<size_t>::max());
         EXPECT_EQ(6, m_queue->fullUploadSize());
         EXPECT_EQ(0, m_queue->partialUploadSize());
         updateTextures();
         EXPECT_EQ(6, layer->fakeLayerUpdater()->updateCount());
         EXPECT_FALSE(m_queue->hasMoreUpdates());
         layer->fakeLayerUpdater()->clearUpdateCount();
         layerPushPropertiesTo(layer.get(), layerImpl.get());
     }
     m_layerTreeHost->commitComplete();
 
     // Partial update of 4 tiles.
     layer->invalidateContentRect(gfx::Rect(50, 50, 100, 100));
     {
-        ScopedFakeTiledLayerImpl layerImpl(m_hostImpl.get(), 1);
+        ScopedFakeTiledLayerImpl layerImpl(m_hostImpl->activeTree(), 1);
         m_layerTreeHost->updateLayers(*m_queue.get(), std::numeric_limits<size_t>::max());
         EXPECT_EQ(0, m_queue->fullUploadSize());
         EXPECT_EQ(4, m_queue->partialUploadSize());
         updateTextures();
         EXPECT_EQ(4, layer->fakeLayerUpdater()->updateCount());
         EXPECT_FALSE(m_queue->hasMoreUpdates());
         layer->fakeLayerUpdater()->clearUpdateCount();
         layerPushPropertiesTo(layer.get(), layerImpl.get());
     }
     m_layerTreeHost->commitComplete();
@@ skipping 459 matching lines @@
         updateTextures();
         EXPECT_EQ(6, root->fakeLayerUpdater()->updateCount());
         EXPECT_EQ(3, child->fakeLayerUpdater()->updateCount());
         EXPECT_EQ(3, child2->fakeLayerUpdater()->updateCount());
         EXPECT_FALSE(m_queue->hasMoreUpdates());
 
         root->fakeLayerUpdater()->clearUpdateCount();
         child->fakeLayerUpdater()->clearUpdateCount();
         child2->fakeLayerUpdater()->clearUpdateCount();
 
-        ScopedFakeTiledLayerImpl rootImpl(m_hostImpl.get(), root->id());
-        ScopedFakeTiledLayerImpl childImpl(m_hostImpl.get(), child->id());
-        ScopedFakeTiledLayerImpl child2Impl(m_hostImpl.get(), child2->id());
+        ScopedFakeTiledLayerImpl rootImpl(m_hostImpl->activeTree(), root->id());
+        ScopedFakeTiledLayerImpl childImpl(m_hostImpl->activeTree(), child->id());
+        ScopedFakeTiledLayerImpl child2Impl(m_hostImpl->activeTree(), child2->id());
         layerPushPropertiesTo(root.get(), rootImpl.get());
         layerPushPropertiesTo(child.get(), childImpl.get());
         layerPushPropertiesTo(child2.get(), child2Impl.get());
 
         for (unsigned i = 0; i < 3; ++i) {
             for (unsigned j = 0; j < 2; ++j)
                 EXPECT_TRUE(rootImpl->hasResourceIdForTileAt(i, j));
             EXPECT_TRUE(childImpl->hasResourceIdForTileAt(i, 0));
             EXPECT_TRUE(child2Impl->hasResourceIdForTileAt(i, 0));
         }
@@ skipping 12 matching lines @@
         updateTextures();
         EXPECT_EQ(6, root->fakeLayerUpdater()->updateCount());
         EXPECT_EQ(0, child->fakeLayerUpdater()->updateCount());
         EXPECT_EQ(0, child2->fakeLayerUpdater()->updateCount());
         EXPECT_FALSE(m_queue->hasMoreUpdates());
 
         root->fakeLayerUpdater()->clearUpdateCount();
         child->fakeLayerUpdater()->clearUpdateCount();
         child2->fakeLayerUpdater()->clearUpdateCount();
 
-        ScopedFakeTiledLayerImpl rootImpl(m_hostImpl.get(), root->id());
-        ScopedFakeTiledLayerImpl childImpl(m_hostImpl.get(), child->id());
-        ScopedFakeTiledLayerImpl child2Impl(m_hostImpl.get(), child2->id());
+        ScopedFakeTiledLayerImpl rootImpl(m_hostImpl->activeTree(), root->id());
+        ScopedFakeTiledLayerImpl childImpl(m_hostImpl->activeTree(), child->id());
+        ScopedFakeTiledLayerImpl child2Impl(m_hostImpl->activeTree(), child2->id());
         layerPushPropertiesTo(root.get(), rootImpl.get());
         layerPushPropertiesTo(child.get(), childImpl.get());
         layerPushPropertiesTo(child2.get(), child2Impl.get());
 
         for (unsigned i = 0; i < 3; ++i) {
             for (unsigned j = 0; j < 2; ++j)
                 EXPECT_TRUE(rootImpl->hasResourceIdForTileAt(i, j));
             EXPECT_FALSE(childImpl->hasResourceIdForTileAt(i, 0));
             EXPECT_FALSE(child2Impl->hasResourceIdForTileAt(i, 0));
         }
@@ skipping 13 matching lines @@
         updateTextures();
         EXPECT_EQ(0, root->fakeLayerUpdater()->updateCount());
         EXPECT_EQ(0, child->fakeLayerUpdater()->updateCount());
         EXPECT_EQ(0, child2->fakeLayerUpdater()->updateCount());
         EXPECT_FALSE(m_queue->hasMoreUpdates());
 
         root->fakeLayerUpdater()->clearUpdateCount();
         child->fakeLayerUpdater()->clearUpdateCount();
         child2->fakeLayerUpdater()->clearUpdateCount();
 
-        ScopedFakeTiledLayerImpl rootImpl(m_hostImpl.get(), root->id());
-        ScopedFakeTiledLayerImpl childImpl(m_hostImpl.get(), child->id());
-        ScopedFakeTiledLayerImpl child2Impl(m_hostImpl.get(), child2->id());
+        ScopedFakeTiledLayerImpl rootImpl(m_hostImpl->activeTree(), root->id());
+        ScopedFakeTiledLayerImpl childImpl(m_hostImpl->activeTree(), child->id());
+        ScopedFakeTiledLayerImpl child2Impl(m_hostImpl->activeTree(), child2->id());
         layerPushPropertiesTo(root.get(), rootImpl.get());
         layerPushPropertiesTo(child.get(), childImpl.get());
         layerPushPropertiesTo(child2.get(), child2Impl.get());
 
         for (unsigned i = 0; i < 3; ++i) {
             for (unsigned j = 0; j < 2; ++j)
                 EXPECT_FALSE(rootImpl->hasResourceIdForTileAt(i, j));
             EXPECT_FALSE(childImpl->hasResourceIdForTileAt(i, 0));
             EXPECT_FALSE(child2Impl->hasResourceIdForTileAt(i, 0));
         }
@@ skipping 100 matching lines @@
 
     // Invalidate the entire layer in layer space. When painting, the rect given to webkit should match the layer's bounds.
     layer->setNeedsDisplayRect(layerRect);
     layer->update(*m_queue.get(), 0, m_stats);
 
     EXPECT_RECT_EQ(layerRect, layer->trackingLayerPainter()->paintedRect());
 }
 
 }  // namespace
 }  // namespace cc