cc: GPU rasterize tiles synchronously in PrepareToDraw.

cc/test/layer_tree_test.h

 // 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.
 
 #ifndef CC_TEST_LAYER_TREE_TEST_H_
 #define CC_TEST_LAYER_TREE_TEST_H_
 
 #include "base/memory/ref_counted.h"
 #include "base/threading/thread.h"
 #include "cc/animation/animation_delegate.h"
@@ skipping 17 matching lines @@
 class TestWebGraphicsContext3D;
 
 // Used by test stubs to notify the test when something interesting happens.
 class TestHooks : public AnimationDelegate {
  public:
   TestHooks();
   ~TestHooks() override;
 
   void ReadSettings(const LayerTreeSettings& settings);
 
+  virtual void CreateRasterizer(LayerTreeHostImpl* host_impl,
+                                scoped_ptr<Rasterizer>* rasterizer);
   virtual void CreateResourceAndTileTaskWorkerPool(
       LayerTreeHostImpl* host_impl,
       scoped_ptr<TileTaskWorkerPool>* tile_task_worker_pool,
       scoped_ptr<ResourcePool>* resource_pool,
       scoped_ptr<ResourcePool>* staging_resource_pool);
   virtual void WillBeginImplFrameOnThread(LayerTreeHostImpl* host_impl,
                                           const BeginFrameArgs& args) {}
   virtual void BeginMainFrameAbortedOnThread(LayerTreeHostImpl* host_impl,
                                              CommitEarlyOutReason reason) {}
   virtual void BeginCommitOnThread(LayerTreeHostImpl* host_impl) {}
@@ skipping 325 matching lines @@
   SINGLE_AND_MULTI_THREAD_DIRECT_RENDERER_TEST_F(TEST_FIXTURE_NAME); \
   SINGLE_AND_MULTI_THREAD_DELEGATING_RENDERER_TEST_F(TEST_FIXTURE_NAME)
 
 // Some tests want to control when notify ready for activation occurs,
 // but this is not supported in the single-threaded case.
 #define SINGLE_AND_MULTI_THREAD_BLOCKNOTIFY_TEST_F(TEST_FIXTURE_NAME) \
   SINGLE_THREAD_NOIMPL_TEST_F(TEST_FIXTURE_NAME);                     \
   MULTI_THREAD_TEST_F(TEST_FIXTURE_NAME)
 
 #endif  // CC_TEST_LAYER_TREE_TEST_H_