cc: GPU rasterize tiles synchronously in PrepareToDraw

cc/test/fake_tile_manager.cc

 // Copyright 2012 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/fake_tile_manager.h"
 
 #include <deque>
 #include <limits>
 
 #include "base/lazy_instance.h"
 #include "cc/resources/raster_buffer.h"
 #include "cc/resources/rasterizer.h"
 
 namespace cc {
 
 namespace {
 
 class FakeRasterizerImpl : public Rasterizer, public RasterizerTaskClient {
  public:
   // Overridden from Rasterizer:
   void SetClient(RasterizerClient* client) override {}
   void Shutdown() override {}
-  void ScheduleTasks(RasterTaskQueue* queue) override {
-    for (RasterTaskQueue::Item::Vector::const_iterator it =
-             queue->items.begin();
-         it != queue->items.end();
-         ++it) {
-      RasterTask* task = it->task;
+  void RunTasks(RasterTaskQueue* queue) override {
+    for (auto& item : queue->items) {
+      RasterTask* task = item.task;
 
       task->WillSchedule();
       task->ScheduleOnOriginThread(this);
+      task->DidSchedule();
+
+      task->WillRun();
+      task->RunOnWorkerThread();
+      task->DidRun();
+
+      completed_tasks_.push_back(task);
+    }
+  }
+  void ScheduleTasks(RasterTaskQueue* queue) override {
+    for (auto& item : queue->items) {
+      RasterTask* task = item.task;
+
+      task->WillSchedule();
+      task->ScheduleOnOriginThread(this);
       task->DidSchedule();
 
       completed_tasks_.push_back(task);
     }
   }
   void CheckForCompletedTasks() override {
-    for (RasterTask::Vector::iterator it = completed_tasks_.begin();
-         it != completed_tasks_.end();
-         ++it) {
-      RasterTask* task = it->get();
-
+    for (auto& task : completed_tasks_) {
       task->WillComplete();
       task->CompleteOnOriginThread(this);
       task->DidComplete();
 
       task->RunReplyOnOriginThread();
     }
     completed_tasks_.clear();
   }
 
   // Overridden from RasterizerTaskClient:
@@ skipping 30 matching lines @@
                   std::numeric_limits<size_t>::max()) {
 }
 
 FakeTileManager::~FakeTileManager() {}
 
 void FakeTileManager::AssignMemoryToTiles(
     const GlobalStateThatImpactsTilePriority& state) {
   tiles_for_raster.clear();
 
   SetGlobalStateForTesting(state);
-  AssignGpuMemoryToTiles(&tiles_for_raster);
+  AssignGpuMemoryToTiles(&tiles_for_raster, std::numeric_limits<size_t>::max());
 }
 
 bool FakeTileManager::HasBeenAssignedMemory(Tile* tile) {
   return std::find(tiles_for_raster.begin(),
                    tiles_for_raster.end(),
                    tile) != tiles_for_raster.end();
 }
 
 void FakeTileManager::Release(Tile* tile) {
   TileManager::Release(tile);
 
   FreeResourcesForReleasedTiles();
   CleanUpReleasedTiles();
 }
 
 }  // namespace cc