Remove parts of //cc we aren't using

cc/debug/frame_timing_tracker.h

Index: cc/debug/frame_timing_tracker.h
diff --git a/cc/debug/frame_timing_tracker.h b/cc/debug/frame_timing_tracker.h
index 019fe794472a10616941312b09c568c3273e6642..7ac7a8a741168a937d41399e74f01a31278fa6a9 100644
--- a/cc/debug/frame_timing_tracker.h
+++ b/cc/debug/frame_timing_tracker.h
@@ -12,16 +12,15 @@
 #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();