Remove parts of //cc we aren't using

cc/scheduler/delay_based_time_source.h

 // 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.
 
 #ifndef CC_SCHEDULER_DELAY_BASED_TIME_SOURCE_H_
 #define CC_SCHEDULER_DELAY_BASED_TIME_SOURCE_H_
 
 #include <string>
 
 #include "base/memory/weak_ptr.h"
 #include "base/values.h"
-#include "cc/base/cc_export.h"
 
 namespace base {
 namespace trace_event {
 class TracedValue;
 }
 class SingleThreadTaskRunner;
 }
 
 namespace cc {
 
-class CC_EXPORT TimeSourceClient {
+class TimeSourceClient {
  public:
   virtual void OnTimerTick() = 0;
 
  protected:
   virtual ~TimeSourceClient() {}
 };
 
 // This timer implements a time source that achieves the specified interval
 // in face of millisecond-precision delayed callbacks and random queueing
 // delays. DelayBasedTimeSource uses base::TimeTicks::Now as its timebase.
-class CC_EXPORT DelayBasedTimeSource
-    : public base::RefCounted<DelayBasedTimeSource> {
+class DelayBasedTimeSource : public base::RefCounted<DelayBasedTimeSource> {
  public:
   static scoped_refptr<DelayBasedTimeSource> Create(
       base::TimeDelta interval, base::SingleThreadTaskRunner* task_runner);
 
   virtual void SetClient(TimeSourceClient* client);
 
   // TimeSource implementation
   virtual void SetTimebaseAndInterval(base::TimeTicks timebase,
                                       base::TimeDelta interval);
   base::TimeDelta Interval() const { return next_parameters_.interval; }
@@ skipping 66 matching lines @@
 
   std::string TypeString() const override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(DelayBasedTimeSourceHighRes);
 };
 
 }  // namespace cc
 
 #endif  // CC_SCHEDULER_DELAY_BASED_TIME_SOURCE_H_