cc: Rename DisplayListRasterSource to just RasterSource.

cc/tiles/picture_layer_tiling.h

Index: cc/tiles/picture_layer_tiling.h
diff --git a/cc/tiles/picture_layer_tiling.h b/cc/tiles/picture_layer_tiling.h
index 7d85242875cb464c4eae4d7443429b30f6628b85..fb2018295dc580996df5d9ffe1a9a43354939ee1 100644
--- a/cc/tiles/picture_layer_tiling.h
+++ b/cc/tiles/picture_layer_tiling.h
@@ -31,7 +31,7 @@ class TracedValue;
 
 namespace cc {
 
-class DisplayListRasterSource;
+class RasterSource;
 class PictureLayerTiling;
 class PrioritizedTile;
 
@@ -91,14 +91,13 @@ class CC_EXPORT PictureLayerTiling {
   static scoped_ptr<PictureLayerTiling> Create(
       WhichTree tree,
       float contents_scale,
-      scoped_refptr<DisplayListRasterSource> raster_source,
+      scoped_refptr<RasterSource> raster_source,
       PictureLayerTilingClient* client,
       size_t tiling_interest_area_padding,
       float skewport_target_time_in_seconds,
       int skewport_extrapolation_limit_in_content_pixels);
 
-  void SetRasterSourceAndResize(
-      scoped_refptr<DisplayListRasterSource> raster_source);
+  void SetRasterSourceAndResize(scoped_refptr<RasterSource> raster_source);
   void Invalidate(const Region& layer_invalidation);
   void CreateMissingTilesInLiveTilesRect();
   void TakeTilesAndPropertiesFrom(PictureLayerTiling* pending_twin,
@@ -122,7 +121,7 @@ class CC_EXPORT PictureLayerTiling {
     can_require_tiles_for_activation_ = can_require_tiles;
   }
 
-  const scoped_refptr<DisplayListRasterSource>& raster_source() const {
+  const scoped_refptr<RasterSource>& raster_source() const {
     return raster_source_;
   }
   gfx::Size tiling_size() const { return tiling_data_.tiling_size(); }
@@ -276,7 +275,7 @@ class CC_EXPORT PictureLayerTiling {
 
   PictureLayerTiling(WhichTree tree,
                      float contents_scale,
-                     scoped_refptr<DisplayListRasterSource> raster_source,
+                     scoped_refptr<RasterSource> raster_source,
                      PictureLayerTilingClient* client,
                      size_t tiling_interest_area_padding,
                      float skewport_target_time_in_seconds,
@@ -375,7 +374,7 @@ class CC_EXPORT PictureLayerTiling {
   const float contents_scale_;
   PictureLayerTilingClient* const client_;
   const WhichTree tree_;
-  scoped_refptr<DisplayListRasterSource> raster_source_;
+  scoped_refptr<RasterSource> raster_source_;
   TileResolution resolution_;
   bool may_contain_low_resolution_tiles_;