Move TaskGraph creation to TileManager

cc/raster/one_copy_tile_task_worker_pool.h

 // Copyright 2014 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_RASTER_ONE_COPY_TILE_TASK_WORKER_POOL_H_
 #define CC_RASTER_ONE_COPY_TILE_TASK_WORKER_POOL_H_
 
 #include <deque>
 #include <set>
 
@@ skipping 38 matching lines @@
       ResourceProvider* resource_provider,
       int max_copy_texture_chromium_size,
       bool use_partial_raster,
       int max_staging_buffer_usage_in_bytes,
       bool use_rgba_4444_texture_format);
 
   // Overridden from TileTaskWorkerPool:
   TileTaskRunner* AsTileTaskRunner() override;
 
   // Overridden from TileTaskRunner:
-  void SetClient(TileTaskRunnerClient* client) override;
   void Shutdown() override;
-  void ScheduleTasks(TileTaskQueue* queue) override;
+  void ScheduleTasks(TaskGraph* graph) override;
   void CheckForCompletedTasks() override;
   ResourceFormat GetResourceFormat(bool must_support_alpha) const override;
   bool GetResourceRequiresSwizzle(bool must_support_alpha) const override;
 
   // Overridden from TileTaskClient:
   scoped_ptr<RasterBuffer> AcquireBufferForRaster(
       const Resource* resource,
       uint64_t resource_content_id,
       uint64_t previous_content_id) override;
   void ReleaseBufferForRaster(scoped_ptr<RasterBuffer> buffer) override;
@@ skipping 48 matching lines @@
   void RemoveStagingBuffer(const StagingBuffer* staging_buffer);
   void MarkStagingBufferAsFree(const StagingBuffer* staging_buffer);
   void MarkStagingBufferAsBusy(const StagingBuffer* staging_buffer);
   scoped_ptr<StagingBuffer> AcquireStagingBuffer(const Resource* resource,
                                                  uint64_t previous_content_id);
   base::TimeTicks GetUsageTimeForLRUBuffer();
   void ScheduleReduceMemoryUsage();
   void ReduceMemoryUsage();
   void ReleaseBuffersNotUsedSince(base::TimeTicks time);
 
-  void OnTaskSetFinished(TaskSet task_set);
   scoped_refptr<base::trace_event::ConvertableToTraceFormat> StateAsValue()
       const;
   void StagingStateAsValueInto(
       base::trace_event::TracedValue* staging_state) const;
 
   scoped_refptr<base::SequencedTaskRunner> task_runner_;
   TaskGraphRunner* task_graph_runner_;
   const NamespaceToken namespace_token_;
-  TileTaskRunnerClient* client_;
   ResourceProvider* const resource_provider_;
   const int max_bytes_per_copy_operation_;
   const bool use_partial_raster_;
-  TaskSetCollection tasks_pending_;
-  scoped_refptr<TileTask> task_set_finished_tasks_[kNumberOfTaskSets];
 
-  // Task graph used when scheduling tasks and vector used to gather
-  // completed tasks.
-  TaskGraph graph_;
   Task::Vector completed_tasks_;
 
   mutable base::Lock lock_;
   // |lock_| must be acquired when accessing the following members.
   using StagingBufferSet = std::set<const StagingBuffer*>;
   StagingBufferSet buffers_;
   using StagingBufferDeque = std::deque<scoped_ptr<StagingBuffer>>;
   StagingBufferDeque free_buffers_;
   StagingBufferDeque busy_buffers_;
   int bytes_scheduled_since_last_flush_;
   const int max_staging_buffer_usage_in_bytes_;
   bool use_rgba_4444_texture_format_;
   int staging_buffer_usage_in_bytes_;
   int free_staging_buffer_usage_in_bytes_;
   const base::TimeDelta staging_buffer_expiration_delay_;
   bool reduce_memory_usage_pending_;
   base::Closure reduce_memory_usage_callback_;
 
   base::WeakPtrFactory<OneCopyTileTaskWorkerPool> weak_ptr_factory_;
-  // "raster finished" tasks need their own factory as they need to be
-  // canceled when ScheduleTasks() is called.
-  base::WeakPtrFactory<OneCopyTileTaskWorkerPool>
-      task_set_finished_weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(OneCopyTileTaskWorkerPool);
 };
 
 }  // namespace cc
 
 #endif  // CC_RASTER_ONE_COPY_TILE_TASK_WORKER_POOL_H_