cc: Do bitmap conversion for RasterBuffer in the worker thread.

cc/resources/tile_manager_perftest.cc

 // Copyright 2013 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 "base/time/time.h"
 #include "cc/debug/lap_timer.h"
 #include "cc/resources/tile.h"
 #include "cc/resources/tile_priority.h"
 #include "cc/test/fake_impl_proxy.h"
 #include "cc/test/fake_layer_tree_host_impl.h"
@@ skipping 47 matching lines @@
       task->WillComplete();
       task->CompleteOnOriginThread(this);
       task->DidComplete();
 
       task->RunReplyOnOriginThread();
     }
     completed_tasks_.clear();
   }
 
   // Overridden from RasterizerTaskClient:
-  virtual SkCanvas* AcquireCanvasForRaster(RasterTask* task) OVERRIDE {
+  virtual RasterBuffer* AcquireBufferForRaster(RasterTask* task) OVERRIDE {
     return NULL;
   }
-  virtual void ReleaseCanvasForRaster(RasterTask* task) OVERRIDE {}
+  virtual void ReleaseBufferForRaster(RasterTask* task) OVERRIDE {}
 
  private:
   RasterTask::Vector completed_tasks_;
 };
 base::LazyInstance<FakeRasterizerImpl> g_fake_rasterizer =
     LAZY_INSTANCE_INITIALIZER;
 
 class TileManagerPerfTest : public testing::Test {
  public:
   TileManagerPerfTest()
@@ skipping 391 matching lines @@
   RunEvictionQueueConstructAndIterateTest("10_128", 10, 128);
   RunEvictionQueueConstructAndIterateTest("50_16", 50, 16);
   RunEvictionQueueConstructAndIterateTest("50_32", 50, 32);
   RunEvictionQueueConstructAndIterateTest("50_64", 50, 64);
   RunEvictionQueueConstructAndIterateTest("50_128", 50, 128);
 }
 
 }  // namespace
 
 }  // namespace cc