Remove ~1750 superfluous includes from core

Source/core/platform/mediastream/chromium/RTCPeerConnectionHandlerChromium.cpp

 /*
  * Copyright (C) 2012 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 14 matching lines @@
  * 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/mediastream/chromium/RTCPeerConnectionHandlerChromium.h"
 
-#include "core/platform/mediastream/MediaConstraints.h"
 #include "core/platform/mediastream/MediaStreamComponent.h"
 #include "core/platform/mediastream/RTCConfiguration.h"
 #include "core/platform/mediastream/RTCDTMFSenderHandler.h"
-#include "core/platform/mediastream/RTCDataChannelHandlerClient.h"
 #include "core/platform/mediastream/RTCIceCandidateDescriptor.h"
 #include "core/platform/mediastream/RTCPeerConnectionHandlerClient.h"
 #include "core/platform/mediastream/RTCSessionDescriptionDescriptor.h"
-#include "core/platform/mediastream/RTCSessionDescriptionRequest.h"
-#include "core/platform/mediastream/RTCStatsRequest.h"
-#include "core/platform/mediastream/RTCVoidRequest.h"
 #include "core/platform/mediastream/chromium/RTCDTMFSenderHandlerChromium.h"
 #include "core/platform/mediastream/chromium/RTCDataChannelHandlerChromium.h"
 #include <public/Platform.h>
 #include <public/WebMediaConstraints.h>
 #include <public/WebMediaStream.h>
 #include <public/WebMediaStreamTrack.h>
 #include <public/WebRTCConfiguration.h>
 #include <public/WebRTCDataChannelHandler.h>
 #include <public/WebRTCDTMFSenderHandler.h>
 #include <public/WebRTCICECandidate.h>
@@ skipping 154 matching lines @@
     m_client->didRemoveRemoteStream(webMediaStreamDescriptor);
 }
 
 void RTCPeerConnectionHandlerChromium::didAddRemoteDataChannel(WebKit::WebRTCDataChannelHandler* webHandler)
 {
     ASSERT(webHandler);
     m_client->didAddRemoteDataChannel(RTCDataChannelHandlerChromium::create(webHandler));
 }
 
 } // namespace WebCore