cc: Move internal::Task::did_schedule_ to internal::WorkerPoolTask.

cc/resources/pixel_buffer_raster_worker_pool.h

 // 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.
 
 #ifndef CC_RESOURCES_PIXEL_BUFFER_RASTER_WORKER_POOL_H_
 #define CC_RESOURCES_PIXEL_BUFFER_RASTER_WORKER_POOL_H_
 
 #include <deque>
 
 #include "base/cancelable_callback.h"
 #include "base/containers/hash_tables.h"
 #include "cc/resources/raster_worker_pool.h"
 
 namespace cc {
 
-class CC_EXPORT PixelBufferRasterWorkerPool
-    : public RasterWorkerPool,
-      public internal::WorkerPoolTaskClient {
+class CC_EXPORT PixelBufferRasterWorkerPool : public RasterWorkerPool {
  public:
   virtual ~PixelBufferRasterWorkerPool();
 
   static scoped_ptr<RasterWorkerPool> Create(
       ResourceProvider* resource_provider,
       ContextProvider* context_provider,
       size_t max_transfer_buffer_usage_bytes) {
     return make_scoped_ptr<RasterWorkerPool>(new PixelBufferRasterWorkerPool(
         resource_provider, context_provider, max_transfer_buffer_usage_bytes));
   }
@@ skipping 62 matching lines @@
   bool raster_finished_task_pending_;
   bool raster_required_for_activation_finished_task_pending_;
   ResourceFormat format_;
 
   DISALLOW_COPY_AND_ASSIGN(PixelBufferRasterWorkerPool);
 };
 
 }  // namespace cc
 
 #endif  // CC_RESOURCES_PIXEL_BUFFER_RASTER_WORKER_POOL_H_