cc: Disable RenderSurface caching.

cc/layer_tree_host_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/layer_tree_host.h"
 
 #include "base/synchronization/lock.h"
 #include "cc/content_layer.h"
 #include "cc/content_layer_client.h"
 #include "cc/frame_rate_controller.h"
@@ skipping 1387 matching lines @@
 public:
     LayerTreeHostTestSurfaceNotAllocatedForLayersOutsideMemoryLimit()
         : m_rootLayer(ContentLayerWithUpdateTracking::create(&m_fakeDelegate))
         , m_surfaceLayer1(ContentLayerWithUpdateTracking::create(&m_fakeDelegate))
         , m_replicaLayer1(ContentLayerWithUpdateTracking::create(&m_fakeDelegate))
         , m_surfaceLayer2(ContentLayerWithUpdateTracking::create(&m_fakeDelegate))
         , m_replicaLayer2(ContentLayerWithUpdateTracking::create(&m_fakeDelegate))
     {
     }
 
+    virtual void initializeSettings(LayerTreeSettings& settings) OVERRIDE
+    {
+        settings.cacheRenderPassContents = true;
+    }
+
     virtual void beginTest() OVERRIDE
     {
         m_layerTreeHost->setViewportSize(gfx::Size(100, 100), gfx::Size(100, 100));
 
         m_rootLayer->setBounds(gfx::Size(100, 100));
         m_surfaceLayer1->setBounds(gfx::Size(100, 100));
         m_surfaceLayer1->setForceRenderSurface(true);
         m_surfaceLayer1->setOpacity(0.5);
         m_surfaceLayer2->setBounds(gfx::Size(100, 100));
         m_surfaceLayer2->setForceRenderSurface(true);
@@ skipping 681 matching lines @@
 }
 
 TEST_F(LayerTreeHostTestMaxPendingFrames, GLRenderer)
 {
     m_delegatingRenderer = false;
     runTest(true);
 }
 
 }  // namespace
 }  // namespace cc