Roll Chrome into Mojo.

cc/resources/picture_layer_tiling_set.cc

Index: cc/resources/picture_layer_tiling_set.cc
diff --git a/cc/resources/picture_layer_tiling_set.cc b/cc/resources/picture_layer_tiling_set.cc
index 87c451078e531697027f40e7e8e9666def20a4b9..d868ba81854533bc711217b1108b1a74ec5ddf95 100644
--- a/cc/resources/picture_layer_tiling_set.cc
+++ b/cc/resources/picture_layer_tiling_set.cc
@@ -372,12 +372,6 @@ gfx::RectF PictureLayerTilingSet::CoverageIterator::texture_rect() const {
   return tiling_iter_.texture_rect();
 }
 
-gfx::Size PictureLayerTilingSet::CoverageIterator::texture_size() const {
-  if (!tiling_iter_)
-    return gfx::Size();
-  return tiling_iter_.texture_size();
-}
-
 Tile* PictureLayerTilingSet::CoverageIterator::operator->() const {
   if (!tiling_iter_)
     return NULL;