cc: GPU rasterize tiles synchronously in PrepareToDraw.

cc/test/layer_tree_test.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/test/layer_tree_test.h"
 
 #include "base/command_line.h"
 #include "cc/animation/animation.h"
 #include "cc/animation/animation_registrar.h"
 #include "cc/animation/layer_animation_controller.h"
@@ skipping 28 matching lines @@
 
 TestHooks::~TestHooks() {}
 
 DrawResult TestHooks::PrepareToDrawOnThread(
     LayerTreeHostImpl* host_impl,
     LayerTreeHostImpl::FrameData* frame_data,
     DrawResult draw_result) {
   return draw_result;
 }
 
+scoped_ptr<Rasterizer> TestHooks::CreateRasterizer(
+    LayerTreeHostImpl* host_impl) {
+  return host_impl->LayerTreeHostImpl::CreateRasterizer();
+}
+
 void TestHooks::CreateResourceAndTileTaskWorkerPool(
     LayerTreeHostImpl* host_impl,
     scoped_ptr<TileTaskWorkerPool>* tile_task_worker_pool,
     scoped_ptr<ResourcePool>* resource_pool,
     scoped_ptr<ResourcePool>* staging_resource_pool) {
   host_impl->LayerTreeHostImpl::CreateResourceAndTileTaskWorkerPool(
       tile_task_worker_pool, resource_pool, staging_resource_pool);
 }
 
 // Adapts ThreadProxy for test. Injects test hooks for testing.
@@ skipping 100 matching lines @@
                           host_impl_client,
                           proxy,
                           stats_instrumentation,
                           shared_bitmap_manager,
                           gpu_memory_buffer_manager,
                           0),
         test_hooks_(test_hooks),
         block_notify_ready_to_activate_for_testing_(false),
         notify_ready_to_activate_was_blocked_(false) {}
 
+  scoped_ptr<Rasterizer> CreateRasterizer() override {
+    return test_hooks_->CreateRasterizer(this);
+  }
+
   void CreateResourceAndTileTaskWorkerPool(
       scoped_ptr<TileTaskWorkerPool>* tile_task_worker_pool,
       scoped_ptr<ResourcePool>* resource_pool,
       scoped_ptr<ResourcePool>* staging_resource_pool) override {
     test_hooks_->CreateResourceAndTileTaskWorkerPool(
         this, tile_task_worker_pool, resource_pool, staging_resource_pool);
   }
 
   void WillBeginImplFrame(const BeginFrameArgs& args) override {
     LayerTreeHostImpl::WillBeginImplFrame(args);
@@ skipping 604 matching lines @@
   return -1;
 }
 
 void LayerTreeTest::DestroyLayerTreeHost() {
   if (layer_tree_host_ && layer_tree_host_->root_layer())
     layer_tree_host_->root_layer()->SetLayerTreeHost(NULL);
   layer_tree_host_ = nullptr;
 }
 
 }  // namespace cc