cc: Do solid color analysis before scheduling tiles.

cc/tiles/tile.h

 // 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.
 
 #ifndef CC_TILES_TILE_H_
 #define CC_TILES_TILE_H_
 
 #include "base/memory/ref_counted.h"
 #include "cc/tiles/tile_draw_info.h"
 #include "ui/gfx/geometry/rect.h"
@@ skipping 82 matching lines @@
                       Id previous_tile_id) {
     invalidated_content_rect_ = invalid_content_rect;
     invalidated_id_ = previous_tile_id;
   }
 
   Id invalidated_id() const { return invalidated_id_; }
   const gfx::Rect& invalidated_content_rect() const {
     return invalidated_content_rect_;
   }
 
+  bool HasRasterTask() const { return !!raster_task_.get(); }
+
  private:
   friend class TileManager;
   friend class FakeTileManager;
   friend class FakePictureLayerImpl;
 
   // Methods called by by tile manager.
   Tile(TileManager* tile_manager,
        const CreateInfo& info,
        int layer_id,
        int source_frame_number,
        int flags);
   ~Tile();
 
-  bool HasRasterTask() const { return !!raster_task_.get(); }
-
   TileManager* const tile_manager_;
   const gfx::Rect content_rect_;
   const gfx::Rect enclosing_layer_rect_;
   const float contents_scale_;
 
   TileDrawInfo draw_info_;
 
   const int layer_id_;
   const int source_frame_number_;
   const int flags_;
@@ skipping 15 matching lines @@
   scoped_refptr<RasterTask> raster_task_;
 
   DISALLOW_COPY_AND_ASSIGN(Tile);
 };
 
 using ScopedTilePtr = scoped_ptr<Tile, Tile::Deleter>;
 
 }  // namespace cc
 
 #endif  // CC_TILES_TILE_H_