Remove parts of //cc we aren't using

cc/debug/rendering_stats.h

 // Copyright 2012 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_DEBUG_RENDERING_STATS_H_
 #define CC_DEBUG_RENDERING_STATS_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/time/time.h"
 #include "base/trace_event/trace_event_argument.h"
 #include "base/values.h"
-#include "cc/base/cc_export.h"
 #include "cc/debug/traced_value.h"
 
 namespace cc {
 
-struct CC_EXPORT RenderingStats {
+struct RenderingStats {
   // Stores a sequence of TimeDelta objects.
-  class CC_EXPORT TimeDeltaList {
+  class TimeDeltaList {
    public:
     TimeDeltaList();
     ~TimeDeltaList();
 
     void Append(base::TimeDelta value);
     void AddToTracedValue(const char* name,
                           base::trace_event::TracedValue* list_value) const;
 
     void Add(const TimeDeltaList& other);
 
@@ skipping 21 matching lines @@
   TimeDeltaList commit_to_activate_duration_estimate;
 
   scoped_refptr<base::trace_event::ConvertableToTraceFormat> AsTraceableData()
       const;
   void Add(const RenderingStats& other);
 };
 
 }  // namespace cc
 
 #endif  // CC_DEBUG_RENDERING_STATS_H_