Remove parts of //cc we aren't using

cc/debug/frame_timing_tracker.h

 // Copyright 2015 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_FRAME_TIMING_TRACKER_H_
 #define CC_DEBUG_FRAME_TIMING_TRACKER_H_
 
 #include <utility>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/containers/hash_tables.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/time/time.h"
-#include "cc/base/cc_export.h"
 
 namespace cc {
 
 // This class maintains a history of timestamps and rect IDs to communicate
 // frame events back to Blink
 // TODO(mpb): Start using this. crbug.com/442554
-class CC_EXPORT FrameTimingTracker {
+class FrameTimingTracker {
  public:
-  struct CC_EXPORT CompositeTimingEvent {
+  struct CompositeTimingEvent {
     CompositeTimingEvent(int, base::TimeTicks);
     ~CompositeTimingEvent();
 
     int frame_id;
     base::TimeTicks timestamp;
   };
 
   using CompositeTimingSet =
       base::hash_map<int, std::vector<CompositeTimingEvent>>;
 
@@ skipping 19 matching lines @@
   FrameTimingTracker();
 
   scoped_ptr<CompositeTimingSet> composite_events_;
 
   DISALLOW_COPY_AND_ASSIGN(FrameTimingTracker);
 };
 
 }  // namespace cc
 
 #endif  // CC_DEBUG_FRAME_TIMING_TRACKER_H_