Remove unused includes from core/inspector, core/loader and core/page

Source/core/loader/PingLoader.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 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/loader/PingLoader.h"
 
-#include <wtf/OwnPtr.h>
-#include <wtf/text/CString.h>
-#include <wtf/UnusedParam.h>
 #include "core/dom/Document.h"
 #include "core/inspector/InspectorInstrumentation.h"
 #include "core/loader/FrameLoader.h"
-#include "core/loader/FrameLoaderClient.h"
 #include "core/loader/UniqueIdentifier.h"
 #include "core/page/Frame.h"
-#include "core/page/Page.h"
 #include "core/platform/network/FormData.h"
 #include "core/platform/network/ResourceHandle.h"
 #include "core/platform/network/ResourceRequest.h"
 #include "core/platform/network/ResourceResponse.h"
 #include "weborigin/SecurityOrigin.h"
 #include "weborigin/SecurityPolicy.h"
+#include "wtf/OwnPtr.h"
+#include "wtf/UnusedParam.h"
 
 namespace WebCore {
 
 void PingLoader::loadImage(Frame* frame, const KURL& url)
 {
     if (!frame->document()->securityOrigin()->canDisplay(url)) {
         FrameLoader::reportLocalLoadFailed(frame, url.string());
         return;
     }
 
@@ skipping 73 matching lines @@
     m_timeout.startOneShot(60000);
 }
 
 PingLoader::~PingLoader()
 {
     if (m_handle)
         m_handle->cancel();
 }
 
 }