Include viewport clip in visible rect of unclipped surfaces (2)

cc/trees/property_tree.h

 // Copyright 2014 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.
 
 #ifndef CC_TREES_PROPERTY_TREE_H_
 #define CC_TREES_PROPERTY_TREE_H_
 
 #include <stddef.h>
 
 #include <memory>
@@ skipping 294 matching lines @@
   std::vector<TransformCachedNodeData> cached_data_;
 };
 
 class CC_EXPORT ClipTree final : public PropertyTree<ClipNode> {
  public:
   bool operator==(const ClipTree& other) const;
 
   static const int kViewportNodeId = 1;
 
   void SetViewportClip(gfx::RectF viewport_rect);
-  gfx::RectF ViewportClip();
+  gfx::RectF ViewportClip() const;
 
   void ToProtobuf(proto::PropertyTree* proto) const;
   void FromProtobuf(const proto::PropertyTree& proto,
                     std::unordered_map<int, int>* node_id_to_index_map);
 };
 
 class CC_EXPORT EffectTree final : public PropertyTree<EffectNode> {
  public:
   EffectTree();
   ~EffectTree();
@@ skipping 301 matching lines @@
   gfx::Vector2dF inner_viewport_container_bounds_delta_;
   gfx::Vector2dF outer_viewport_container_bounds_delta_;
   gfx::Vector2dF inner_viewport_scroll_bounds_delta_;
 
   PropertyTreesCachedData cached_data_;
 };
 
 }  // namespace cc
 
 #endif  // CC_TREES_PROPERTY_TREE_H_