Remove unused includes from various .cpp files in core/

Source/core/editing/chromium/EditorChromium.cpp

 /*
  * Copyright (c) 2008, 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:
  * 
  *     * 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/editing/Editor.h"
 
-#include "core/page/Frame.h"
 #include "core/platform/chromium/ChromiumDataObject.h"
 #include "core/platform/chromium/ClipboardChromium.h"
 
 namespace WebCore {
 
 PassRefPtr<Clipboard> Editor::newGeneralClipboard(ClipboardAccessPolicy policy, Frame* frame)
 {
     return ClipboardChromium::create(
         Clipboard::CopyAndPaste,
         policy == ClipboardWritable ? ChromiumDataObject::create() : ChromiumDataObject::createFromPasteboard(),
         policy,
         frame);
 
 }
 
 } // namespace WebCore