Remove ~1750 superfluous includes from core

Source/core/platform/Timer.cpp

 /*
  * Copyright (C) 2006, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 12 matching lines @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
  */
 
 #include "config.h"
 #include "core/platform/Timer.h"
 
 #include <limits.h>
 #include <math.h>
 #include <limits>
-#include "core/platform/SharedTimer.h"
 #include "core/platform/ThreadGlobalData.h"
 #include "core/platform/ThreadTimers.h"
 #include <wtf/CurrentTime.h>
 #include <wtf/HashSet.h>
 #include <wtf/Vector.h>
 
 using namespace std;
 
 namespace WebCore {
 
@@ skipping 364 matching lines @@
 }
 
 double TimerBase::nextUnalignedFireInterval() const
 {
     ASSERT(isActive());
     return max(m_unalignedNextFireTime - monotonicallyIncreasingTime(), 0.0);
 }
 
 } // namespace WebCore