Added perftests for layer sorting

cc/test/layer_tree_json_parser.cc

 // Copyright 2013 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/test/layer_tree_json_parser.h"
 
 #include "base/test/values_test_util.h"
 #include "base/values.h"
 #include "cc/layers/content_layer.h"
 #include "cc/layers/layer.h"
@@ skipping 112 matching lines @@
                                                : Layer::INVALID_ID);
 
   bool wheel_handler;
   if (dict->GetBoolean("WheelHandler", &wheel_handler))
     new_layer->SetHaveWheelEventHandlers(wheel_handler);
 
   bool scroll_handler;
   if (dict->GetBoolean("ScrollHandler", &scroll_handler))
     new_layer->SetHaveScrollEventHandlers(scroll_handler);
 
+  bool is_3d_sorted;
+  if (dict->GetBoolean("Is3DSorted", &is_3d_sorted))
+    new_layer->SetIs3dSorted(is_3d_sorted);
+
   if (dict->HasKey("TouchRegion")) {
     success &= dict->GetList("TouchRegion", &list);
     Region touch_region;
     for (size_t i = 0; i < list->GetSize(); ) {
       int rect_x, rect_y, rect_width, rect_height;
       success &= list->GetInteger(i++, &rect_x);
       success &= list->GetInteger(i++, &rect_y);
       success &= list->GetInteger(i++, &rect_width);
       success &= list->GetInteger(i++, &rect_height);
       touch_region.Union(gfx::Rect(rect_x, rect_y, rect_width, rect_height));
@@ skipping 24 matching lines @@
 
 }  // namespace
 
 scoped_refptr<Layer> ParseTreeFromJson(std::string json,
                                        ContentLayerClient* content_client) {
   scoped_ptr<base::Value> val = base::test::ParseJson(json);
   return ParseTreeFromValue(val.get(), content_client);
 }
 
 }  // namespace cc