Switch to standard integer types in cc/.

cc/trees/occlusion_tracker_perftest.cc

 // 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.
 
 #include "cc/trees/occlusion_tracker.h"
 
+#include <stddef.h>
+
 #include "base/thread_task_runner_handle.h"
 #include "base/time/time.h"
 #include "cc/debug/lap_timer.h"
 #include "cc/layers/layer_iterator.h"
 #include "cc/layers/solid_color_layer_impl.h"
 #include "cc/test/fake_impl_task_runner_provider.h"
 #include "cc/test/fake_layer_tree_host_impl_client.h"
 #include "cc/test/fake_output_surface.h"
 #include "cc/test/fake_proxy.h"
 #include "cc/test/fake_rendering_stats_instrumentation.h"
@@ skipping 190 matching lines @@
   EXPECT_EQ(active_tree()->root_layer(), next.current_layer);
 
   ++begin;
   EXPECT_EQ(end, begin);
 
   PrintResults();
 }
 
 }  // namespace
 }  // namespace cc