cc: Avoid expensive RenderingStats collection.

cc/picture_layer_impl_unittest.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/picture_layer_impl.h"
 
 #include "cc/layer_tree_impl.h"
 #include "cc/test/fake_content_layer_client.h"
 #include "cc/test/fake_impl_proxy.h"
 #include "cc/test/fake_layer_tree_host_impl.h"
@@ skipping 63 matching lines @@
     EXPECT_GE(x, 0);
     EXPECT_GE(y, 0);
     EXPECT_LT(x, tiling_.num_tiles_x());
     EXPECT_LT(y, tiling_.num_tiles_y());
 
     if (HasRecordingAt(x, y))
       return;
     gfx::Rect bounds(tiling().TileBounds(x, y));
     scoped_refptr<Picture> picture(Picture::Create(bounds));
     FakeContentLayerClient client;
-    RenderingStats stats;
-    picture->Record(&client, stats);
+    picture->Record(&client, NULL);
     picture_list_map_[std::pair<int, int>(x, y)].push_back(picture);
     EXPECT_TRUE(HasRecordingAt(x, y));
   }
 
   void RemoveRecordingAt(int x, int y) {
     EXPECT_GE(x, 0);
     EXPECT_GE(y, 0);
     EXPECT_LT(x, tiling_.num_tiles_x());
     EXPECT_LT(y, tiling_.num_tiles_y());
 
@@ skipping 240 matching lines @@
       else if (in_active)
         EXPECT_EQ(active_pile, iter->picture_pile());
       else
         EXPECT_FALSE(*iter);
     }
   }
 }
 
 }  // namespace
 }  // namespace cc