cc: Give TilingData a Rect instead of a Size

cc/resources/layer_tiling_data.cc

Index: cc/resources/layer_tiling_data.cc
diff --git a/cc/resources/layer_tiling_data.cc b/cc/resources/layer_tiling_data.cc
index ccbb6d0148194cc6ea8d8ee2f2b44cadabcf9e99..a158dfaaa1c7655fcc7617cfe6738f4ae1bf715d 100644
--- a/cc/resources/layer_tiling_data.cc
+++ b/cc/resources/layer_tiling_data.cc
@@ -17,7 +17,7 @@ scoped_ptr<LayerTilingData> LayerTilingData::Create(const gfx::Size& tile_size,
 
 LayerTilingData::LayerTilingData(const gfx::Size& tile_size,
                                  BorderTexelOption border)
-    : tiling_data_(tile_size, gfx::Size(), border == HAS_BORDER_TEXELS) {
+    : tiling_data_(tile_size, gfx::Rect(), border == HAS_BORDER_TEXELS) {
   SetTileSize(tile_size);
 }
 
@@ -113,7 +113,7 @@ Region LayerTilingData::OpaqueRegionInContentRect(
 }
 
 void LayerTilingData::SetBounds(const gfx::Size& size) {
-  tiling_data_.SetTotalSize(size);
+  tiling_data_.SetTilingRect(gfx::Rect(size));
   if (size.IsEmpty()) {
     tiles_.clear();
     return;