Further plumb visual rect into cc:DisplayItemList.

ui/compositor/paint_context.cc

 // Copyright 2015 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 "ui/compositor/paint_context.h"
 
 #include "third_party/skia/include/core/SkPictureRecorder.h"
 #include "ui/gfx/canvas.h"
 
 namespace ui {
@@ skipping 36 matching lines @@
       offset_(other.offset_) {
 #if DCHECK_IS_ON()
   root_visited_ = other.root_visited_;
   inside_paint_recorder_ = other.inside_paint_recorder_;
 #endif
 }
 
 PaintContext::~PaintContext() {
 }
 
+gfx::Rect PaintContext::ToLayerSpaceBounds(
+    const gfx::Size& size_in_layer) const {
+  return gfx::Rect(size_in_layer) + offset_;
+}
+
+gfx::Rect PaintContext::ToLayerSpaceRect(const gfx::Rect& rect) const {
+  return rect + offset_;
+}
+
 }  // namespace ui