cc: Refactor TileTaskWorkerPool.

cc/test/fake_tile_task_manager.cc

+// Copyright 2016 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_task_manager.h"
+
+#include "base/memory/ptr_util.h"
+
+namespace cc {
+
+FakeTileTaskManagerImpl::FakeTileTaskManagerImpl()
+    : raster_buffer_provider_(base::WrapUnique<RasterBufferProvider>(
+          new FakeRasterBufferProviderImpl)) {}
+
+FakeTileTaskManagerImpl::FakeTileTaskManagerImpl(
+    std::unique_ptr<RasterBufferProvider> raster_buffer_provider)
+    : raster_buffer_provider_(std::move(raster_buffer_provider)) {}
+
+FakeTileTaskManagerImpl::~FakeTileTaskManagerImpl() {}
+
+void FakeTileTaskManagerImpl::ScheduleTasks(TaskGraph* graph) {
+  for (const auto& node : graph->nodes) {
+    TileTask* task = static_cast<TileTask*>(node.task);
+
+    task->WillSchedule();
+    task->ScheduleOnOriginThread(raster_buffer_provider_.get());
+    task->DidSchedule();
+
+    completed_tasks_.push_back(task);
+  }
+}
+
+void FakeTileTaskManagerImpl::CheckForCompletedTasks() {
+  for (Task::Vector::iterator it = completed_tasks_.begin();
+       it != completed_tasks_.end(); ++it) {
+    TileTask* task = static_cast<TileTask*>(it->get());
+
+    task->WillComplete();
+    task->CompleteOnOriginThread(raster_buffer_provider_.get());
+    task->DidComplete();
+  }
+  completed_tasks_.clear();
+}
+
+void FakeTileTaskManagerImpl::Shutdown() {}
+
+RasterBufferProvider* FakeTileTaskManagerImpl::GetRasterBufferProvider() const {
+  return raster_buffer_provider_.get();
+}
+
+}  // namespace cc