Determine mask UVs based on texture size

cc/layers/layer_impl.cc

 // 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.
 
 #include "cc/layers/layer_impl.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 242 matching lines @@
     gfx::Rect visible_fill_rect =
         gfx::IntersectRects(visible_quad_rect, fill_rect);
     DebugBorderDrawQuad* fill_quad =
         render_pass->CreateAndAppendDrawQuad<DebugBorderDrawQuad>();
     fill_quad->SetNew(shared_quad_state, fill_rect, visible_fill_rect,
                       fill_color, fill_width);
   }
 }
 
 void LayerImpl::GetContentsResourceId(ResourceId* resource_id,
-                                      gfx::Size* resource_size) const {
+                                      gfx::Size* resource_size,
+                                      gfx::SizeF* resource_uv_size) const {
   NOTREACHED();
   *resource_id = 0;
 }
 
 gfx::Vector2dF LayerImpl::ScrollBy(const gfx::Vector2dF& scroll) {
   ScrollTree& scroll_tree = GetScrollTree();
   ScrollNode* scroll_node = scroll_tree.Node(scroll_tree_index());
   return scroll_tree.ScrollBy(scroll_node, scroll, layer_tree_impl());
 }
 
@@ skipping 698 matching lines @@
 
 ScrollTree& LayerImpl::GetScrollTree() const {
   return GetPropertyTrees()->scroll_tree;
 }
 
 TransformTree& LayerImpl::GetTransformTree() const {
   return GetPropertyTrees()->transform_tree;
 }
 
 }  // namespace cc