Remove duplicated headers from core/

Source/core/inspector/InspectorDOMDebuggerAgent.cpp

 /*
  * Copyright (C) 2011 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 16 matching lines @@
  * (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/inspector/InspectorDOMDebuggerAgent.h"
 
 #include "InspectorFrontend.h"
 #include "core/events/Event.h"
 #include "core/inspector/InspectorDOMAgent.h"
-#include "core/inspector/InspectorDebuggerAgent.h"
 #include "core/inspector/InspectorState.h"
 #include "core/inspector/InstrumentingAgents.h"
 #include "platform/JSONValues.h"
-#include "wtf/text/WTFString.h"
 
 namespace {
 
 enum DOMBreakpointType {
     SubtreeModified = 0,
     AttributeModified,
     NodeRemoved,
     DOMBreakpointTypesCount
 };
 
@@ skipping 462 matching lines @@
 }
 
 void InspectorDOMDebuggerAgent::clear()
 {
     m_domBreakpoints.clear();
     m_pauseInNextEventListener = false;
 }
 
 } // namespace WebCore