cc: Remove unused Tile ctor parameter (raster_source).

cc/resources/tile.cc

 // Copyright 2012 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/tile.h"
 
 #include <algorithm>
 
 #include "base/trace_event/trace_event_argument.h"
 #include "cc/base/math_util.h"
 #include "cc/debug/traced_value.h"
 #include "cc/resources/tile_manager.h"
 
 namespace cc {
 
 Tile::Id Tile::s_next_id_ = 0;
 
 Tile::Tile(TileManager* tile_manager,
-           RasterSource* raster_source,
            const gfx::Size& desired_texture_size,
            const gfx::Rect& content_rect,
            float contents_scale,
            int layer_id,
            int source_frame_number,
            int flags)
     : tile_manager_(tile_manager),
       desired_texture_size_(desired_texture_size),
       content_rect_(content_rect),
       contents_scale_(contents_scale),
@@ skipping 42 matching lines @@
     return draw_info_.resource_->bytes();
   return 0;
 }
 
 void Tile::Deleter::operator()(Tile* tile) const {
   TileManager* tile_manager = tile->tile_manager_;
   tile_manager->Release(tile);
 }
 
 }  // namespace cc