Remove the default format from ResourcePool.

cc/resources/tile_task_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_TILE_TASK_WORKER_POOL_H_
 #define CC_RESOURCES_TILE_TASK_WORKER_POOL_H_
 
 #include "base/threading/platform_thread.h"
 #include "cc/resources/tile_task_runner.h"
 #include "ui/gfx/geometry/rect.h"
@@ skipping 62 matching lines @@
   static void PlaybackToMemory(void* memory,
                                ResourceFormat format,
                                const gfx::Size& size,
                                int stride,
                                const RasterSource* raster_source,
                                const gfx::Rect& rect,
                                float scale);
 
   // Type-checking downcast routine.
   virtual TileTaskRunner* AsTileTaskRunner() = 0;
+
+  // Returns the most appropriate format to use.
+  virtual ResourceFormat GetResourceFormat() = 0;

[reveman, 2015/01/22 23:01:46]

How about we make this part of the TileTaskRunner interface instead so we can
avoid passing the format as a ctor parameter to the TileManager?

[peterp, 2015/01/23 13:19:06]

Good idea. Done.

 };
 
 }  // namespace cc
 
 #endif  // CC_RESOURCES_TILE_TASK_WORKER_POOL_H_