cc: Refactor TileTaskWorkerPool.

cc/raster/zero_copy_tile_task_worker_pool.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 "cc/raster/zero_copy_tile_task_worker_pool.h"
 
 #include <stdint.h>
 
 #include <algorithm>
 
@@ skipping 48 matching lines @@
   ResourceProvider::ScopedWriteLockGpuMemoryBuffer lock_;
   const Resource* resource_;
 
   DISALLOW_COPY_AND_ASSIGN(RasterBufferImpl);
 };
 
 }  // namespace
 
 // static
 std::unique_ptr<TileTaskWorkerPool> ZeroCopyTileTaskWorkerPool::Create(
-    base::SequencedTaskRunner* task_runner,
-    TaskGraphRunner* task_graph_runner,
     ResourceProvider* resource_provider,
     ResourceFormat preferred_tile_format) {
   return base::WrapUnique<TileTaskWorkerPool>(
-      new ZeroCopyTileTaskWorkerPool(task_runner, task_graph_runner,
-                                     resource_provider, preferred_tile_format));
+      new ZeroCopyTileTaskWorkerPool(resource_provider, preferred_tile_format));
 }
 
 ZeroCopyTileTaskWorkerPool::ZeroCopyTileTaskWorkerPool(
-    base::SequencedTaskRunner* task_runner,
-    TaskGraphRunner* task_graph_runner,
     ResourceProvider* resource_provider,
     ResourceFormat preferred_tile_format)
-    : task_runner_(task_runner),
-      task_graph_runner_(task_graph_runner),
-      namespace_token_(task_graph_runner->GetNamespaceToken()),
-      resource_provider_(resource_provider),
+    : resource_provider_(resource_provider),
       preferred_tile_format_(preferred_tile_format) {}
 
 ZeroCopyTileTaskWorkerPool::~ZeroCopyTileTaskWorkerPool() {
 }
 
-void ZeroCopyTileTaskWorkerPool::Shutdown() {
-  TRACE_EVENT0("cc", "ZeroCopyTileTaskWorkerPool::Shutdown");
-
-  TaskGraph empty;
-  task_graph_runner_->ScheduleTasks(namespace_token_, &empty);
-  task_graph_runner_->WaitForTasksToFinishRunning(namespace_token_);
-}
-
-void ZeroCopyTileTaskWorkerPool::ScheduleTasks(TaskGraph* graph) {
-  TRACE_EVENT0("cc", "ZeroCopyTileTaskWorkerPool::ScheduleTasks");
-
-  ScheduleTasksOnOriginThread(this, graph);
-  task_graph_runner_->ScheduleTasks(namespace_token_, graph);
-}
-
-void ZeroCopyTileTaskWorkerPool::CheckForCompletedTasks() {
-  TRACE_EVENT0("cc", "ZeroCopyTileTaskWorkerPool::CheckForCompletedTasks");
-
-  task_graph_runner_->CollectCompletedTasks(namespace_token_,
-                                            &completed_tasks_);
-  for (Task::Vector::const_iterator it = completed_tasks_.begin();
-       it != completed_tasks_.end(); ++it) {
-    TileTask* task = static_cast<TileTask*>(it->get());
-
-    task->WillComplete();
-    task->CompleteOnOriginThread(this);
-    task->DidComplete();
-  }
-  completed_tasks_.clear();
-}
+void ZeroCopyTileTaskWorkerPool::BarrierToSyncResources() {}
 
 ResourceFormat ZeroCopyTileTaskWorkerPool::GetResourceFormat(
     bool must_support_alpha) const {
   if (resource_provider_->IsResourceFormatSupported(preferred_tile_format_) &&
       (DoesResourceFormatSupportAlpha(preferred_tile_format_) ||
        !must_support_alpha)) {
     return preferred_tile_format_;
   }
 
   return resource_provider_->best_texture_format();
@@ skipping 16 matching lines @@
   return base::WrapUnique<RasterBuffer>(
       new RasterBufferImpl(resource_provider_, resource));
 }
 
 void ZeroCopyTileTaskWorkerPool::ReleaseBufferForRaster(
     std::unique_ptr<RasterBuffer> buffer) {
   // Nothing to do here. RasterBufferImpl destructor cleans up after itself.
 }
 
 }  // namespace cc