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

Source/core/inspector/InspectorFrontendHost.cpp

 /*
  * Copyright (C) 2007, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Matt Lilek <webkit@mattlilek.com>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 30 matching lines @@
 #include "core/page/Frame.h"
 #include "core/page/Page.h"
 #include "core/platform/ContextMenu.h"
 #include "core/platform/ContextMenuItem.h"
 #include "core/platform/Pasteboard.h"
 #include "core/platform/network/ResourceError.h"
 #include "core/platform/network/ResourceRequest.h"
 #include "core/platform/network/ResourceResponse.h"
 #include "core/rendering/RenderTheme.h"
 #include "modules/filesystem/DOMFileSystem.h"
-#include <wtf/StdLibExtras.h>
 
 using namespace std;
 
 namespace WebCore {
 
 class FrontendMenuProvider : public ContextMenuProvider {
 public:
     static PassRefPtr<FrontendMenuProvider> create(InspectorFrontendHost* frontendHost, ScriptObject frontendApiObject, const Vector<ContextMenuItem>& items)
     {
         return adoptRef(new FrontendMenuProvider(frontendHost, frontendApiObject, items));
@@ skipping 267 matching lines @@
 {
     return false;
 }
 
 String InspectorFrontendHost::hiddenPanels()
 {
     return "";
 }
 
 } // namespace WebCore