cc: Compute target space transform dynamically

cc/layers/layer.h

 // Copyright 2010 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_LAYERS_LAYER_H_
 #define CC_LAYERS_LAYER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 412 matching lines @@
 
   void SetTransformTreeIndex(int index);
   int transform_tree_index() const;
 
   void SetClipTreeIndex(int index);
   int clip_tree_index() const;
 
   void SetEffectTreeIndex(int index);
   int effect_tree_index() const;
 
+  // TODO(sunxd): Remove this when we do not compute target space transforms on
+  // main thread in tests.
+  int render_target_effect_tree_index() const;
+
   void SetScrollTreeIndex(int index);
   int scroll_tree_index() const;
 
   void set_offset_to_transform_parent(gfx::Vector2dF offset) {
     if (offset_to_transform_parent_ == offset)
       return;
     offset_to_transform_parent_ = offset;
     SetNeedsPushProperties();
   }
   gfx::Vector2dF offset_to_transform_parent() const {
@@ skipping 276 matching lines @@
   // These all act like draw properties, so don't need push properties.
   gfx::Rect visible_layer_rect_;
   size_t num_unclipped_descendants_;
 
   DISALLOW_COPY_AND_ASSIGN(Layer);
 };
 
 }  // namespace cc
 
 #endif  // CC_LAYERS_LAYER_H_