Remove unused function in PictureLayerTiling

R=vmpstr@chromium.org
BUG=none

Review URL: https://codereview.chromium.org/292883002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@271801 0039d316-1c4b-4281-b951-d872f2087c98

cc/resources/picture_layer_tiling.cc

@@ -122,13 +122,6 @@ Tile* PictureLayerTiling::CreateTile(int i,
   return tile.get();
 }
 
-Region PictureLayerTiling::OpaqueRegionInContentRect(
-    const gfx::Rect& content_rect) const {
-  Region opaque_region;
-  // TODO(enne): implement me
-  return opaque_region;
-}
-
 void PictureLayerTiling::SetCanUseLCDText(bool can_use_lcd_text) {
   for (TileMap::iterator it = tiles_.begin(); it != tiles_.end(); ++it)
     it->second->set_can_use_lcd_text(can_use_lcd_text);

cc/resources/picture_layer_tiling.h

@@ -74,7 +74,7 @@ class CC_EXPORT PictureLayerTiling {
     bool TileNeedsRaster(Tile* tile) const {
       RasterMode mode = tile->DetermineRasterModeForTree(tree_);
       return tile->NeedsRasterForMode(mode);
-    };
+    }
 
     PictureLayerTiling* tiling_;
 
@@ -208,8 +208,6 @@ class CC_EXPORT PictureLayerTiling {
     friend class PictureLayerTiling;
   };
 
-  Region OpaqueRegionInContentRect(const gfx::Rect& content_rect) const;
-
   void Reset();
 
   void UpdateTilePriorities(WhichTree tree,