Remove ~1750 superfluous includes from core

Source/core/platform/chromium/PlatformSpeechSynthesizerChromium.cpp

 /*
  * Copyright (c) 2013 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 13 matching lines @@
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (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/PlatformSpeechSynthesizer.h"
 
-#include "core/platform/PlatformSpeechSynthesisUtterance.h"
 #include "core/platform/PlatformSpeechSynthesisVoice.h"
 #include "core/platform/chromium/support/WebSpeechSynthesizerClientImpl.h"
 #include <public/Platform.h>
 #include <public/WebSpeechSynthesisUtterance.h>
 #include <public/WebSpeechSynthesizer.h>
 #include <public/WebSpeechSynthesizerClient.h>
 #include <wtf/RetainPtr.h>
 
 namespace WebCore {
 
@@ skipping 34 matching lines @@
         m_webSpeechSynthesizer->resume();
 }
 
 void PlatformSpeechSynthesizer::cancel()
 {
     if (m_webSpeechSynthesizer.get())
         m_webSpeechSynthesizer->cancel();
 }
 
 } // namespace WebCore