Switch to standard integer types in cc/.

cc/trees/tree_synchronizer_unittest.cc

 // Copyright 2011 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/trees/tree_synchronizer.h"
 
+#include <stddef.h>
+
 #include <algorithm>
 #include <set>
 #include <vector>
 
 #include "base/format_macros.h"
 #include "base/strings/stringprintf.h"
 #include "cc/animation/layer_animation_controller.h"
 #include "cc/layers/layer.h"
 #include "cc/layers/layer_impl.h"
 #include "cc/layers/layer_settings.h"
@@ skipping 711 matching lines @@
                           host_impl->active_tree());
 
   // The clip children should have been unhooked.
   EXPECT_EQ(2u, intervening->children().size());
   EXPECT_FALSE(clip_child2->clip_parent());
   EXPECT_FALSE(additional_clip_child->clip_parent());
 }
 
 }  // namespace
 }  // namespace cc