Remove the default format from ResourcePool.

cc/resources/gpu_rasterizer.cc

 // Copyright 2015 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/resources/gpu_rasterizer.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/debug/trace_event.h"
@@ skipping 41 matching lines @@
 }
 
 PrepareTilesMode GpuRasterizer::GetPrepareTilesMode() {
   return tile_prepare_enabled_ ? PrepareTilesMode::PREPARE_PRIORITIZED_TILES
                                : PrepareTilesMode::PREPARE_NONE;
 }
 
 void GpuRasterizer::RasterizeTiles(
     const TileVector& tiles,
     ResourcePool* resource_pool,
+    ResourceFormat resource_format,
     const UpdateTileDrawInfoCallback& update_tile_draw_info) {
   ScopedGpuRaster gpu_raster(context_provider_);
 
   ScopedResourceWriteLocks locks;
 
   for (Tile* tile : tiles) {
     // TODO(hendrikw): Don't create resources for solid color tiles.
     // See crbug.com/445919
     scoped_ptr<ScopedResource> resource =
         resource_pool->AcquireResource(tile->desired_texture_size(),
-                                       resource_pool->default_format());
+                                       resource_format);
     const ScopedResource* const_resource = resource.get();
 
     RasterSource::SolidColorAnalysis analysis;
 
     if (tile->use_picture_analysis())
       PerformSolidColorAnalysis(tile, &analysis);
 
     if (!analysis.is_solid_color)
       AddToMultiPictureDraw(tile, const_resource, &locks);
 
@@ skipping 57 matching lines @@
   tile->raster_source()->PlaybackToCanvas(canvas.get(), tile->content_rect(),
                                           tile->contents_scale());
   canvas->restore();
 
   // Add the canvas and recorded picture to |multi_picture_draw_|.
   skia::RefPtr<SkPicture> picture = skia::AdoptRef(recorder.endRecording());
   multi_picture_draw_.add(sk_surface->getCanvas(), picture.get());
 }
 
 }  // namespace cc