cc: Move updateDrawProperties to LayerTreeImpl

cc/layer_tree_host_common.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/layer_tree_host_common.h"
 
 #include <algorithm>
 
 #include "base/debug/trace_event.h"
 #include "cc/layer.h"
@@ skipping 1034 matching lines @@
         if (layerClipsSubtree(currentLayer) && !pointHitsRect(screenSpacePoint, renderTarget->renderSurface()->screenSpaceTransform(), currentLayer->drawableContentRect()))
             return true;
 
         currentLayer = currentLayer->parent();
     }
 
     // If we have finished walking all ancestors without having already exited, then the point is not clipped by any ancestors.
     return false;
 }
 
-LayerImpl* LayerTreeHostCommon::findLayerThatIsHitByPoint(const gfx::PointF& screenSpacePoint, std::vector<LayerImpl*>& renderSurfaceLayerList)
+LayerImpl* LayerTreeHostCommon::findLayerThatIsHitByPoint(const gfx::PointF& screenSpacePoint, const std::vector<LayerImpl*>& renderSurfaceLayerList)
 {
     LayerImpl* foundLayer = 0;
 
     typedef LayerIterator<LayerImpl, std::vector<LayerImpl*>, RenderSurfaceImpl, LayerIteratorActions::FrontToBack> LayerIteratorType;
     LayerIteratorType end = LayerIteratorType::end(&renderSurfaceLayerList);
 
     for (LayerIteratorType it = LayerIteratorType::begin(&renderSurfaceLayerList); it != end; ++it) {
         // We don't want to consider renderSurfaces for hit testing.
         if (!it.representsItself())
             continue;
@@ skipping 11 matching lines @@
             continue;
 
         foundLayer = currentLayer;
         break;
     }
 
     // This can potentially return 0, which means the screenSpacePoint did not successfully hit test any layers, not even the root layer.
     return foundLayer;
 }
 
-LayerImpl* LayerTreeHostCommon::findLayerThatIsHitByPointInTouchHandlerRegion(const gfx::PointF& screenSpacePoint, std::vector<LayerImpl*>& renderSurfaceLayerList)
+LayerImpl* LayerTreeHostCommon::findLayerThatIsHitByPointInTouchHandlerRegion(const gfx::PointF& screenSpacePoint, const std::vector<LayerImpl*>& renderSurfaceLayerList)
 {
     LayerImpl* foundLayer = 0;
 
     typedef LayerIterator<LayerImpl, std::vector<LayerImpl*>, RenderSurfaceImpl, LayerIteratorActions::FrontToBack> LayerIteratorType;
     LayerIteratorType end = LayerIteratorType::end(&renderSurfaceLayerList);
 
     for (LayerIteratorType it = LayerIteratorType::begin(&renderSurfaceLayerList); it != end; ++it) {
         // We don't want to consider renderSurfaces for hit testing.
         if (!it.representsItself())
             continue;
@@ skipping 20 matching lines @@
 
   // At this point, we think the point does hit the touch event handler region on the layer, but we need to walk up
   // the parents to ensure that the layer was not clipped in such a way that the
   // hit point actually should not hit the layer.
   if (pointIsClippedBySurfaceOrClipRect(screenSpacePoint, layerImpl))
      return false;
 
   return true;
 }
 }  // namespace cc