Remove duplicated headers from the testing/ directory

Source/testing/runner/EventSender.cpp

 /*
  * Copyright (C) 2010 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 29 matching lines @@
 // The behavior of queuing events and replaying them can be disabled by a
 // layout test by setting eventSender.dragMode to false.
 
 #include "EventSender.h"
 
 #include "KeyCodeMapping.h"
 #include "MockSpellCheck.h"
 #include "TestCommon.h"
 #include "TestInterfaces.h"
 #include "public/platform/WebDragData.h"
-#include "public/platform/WebPoint.h"
 #include "public/platform/WebString.h"
 #include "public/platform/WebVector.h"
 #include "public/testing/WebTestDelegate.h"
 #include "public/testing/WebTestProxy.h"
 #include "public/web/WebContextMenuData.h"
-#include "public/web/WebDragOperation.h"
 #include "public/web/WebTouchPoint.h"
 #include "public/web/WebView.h"
 #include <deque>
 
 #ifdef WIN32
 #include "public/web/win/WebInputEventFactory.h"
 #elif __APPLE__
 #include "public/web/mac/WebInputEventFactory.h"
 #elif defined(ANDROID)
 #include "public/web/android/WebInputEventFactory.h"
@@ skipping 1379 matching lines @@
 {
     result->setNull();
 }
 
 void EventSender::clearKillRing(const CppArgumentList&, CppVariant* result)
 {
     result->setNull();
 }
 
 }