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

Source/core/loader/DocumentLoader.h

 /*
  * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  * 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer. 
@@ skipping 24 matching lines @@
 #include "core/loader/NavigationAction.h"
 #include "core/loader/ResourceLoaderOptions.h"
 #include "core/loader/SubstituteData.h"
 #include "core/loader/cache/CachedRawResource.h"
 #include "core/loader/cache/CachedResourceHandle.h"
 #include "core/platform/Timer.h"
 #include "core/platform/network/ResourceError.h"
 #include "core/platform/network/ResourceRequest.h"
 #include "core/platform/network/ResourceResponse.h"
 #include "core/platform/text/StringWithDirection.h"
-#include <wtf/HashSet.h>
-#include <wtf/RefPtr.h>
-#include <wtf/Vector.h>
+#include "wtf/HashSet.h"
+#include "wtf/RefPtr.h"
 
 namespace WTF {
 class SchedulePair;
 }
 
 namespace WebCore {
     class ApplicationCacheHost;
     class ArchiveResource;
     class ArchiveResourceCollection;
     class CachedResourceLoader;
@@ skipping 209 matching lines @@
         unsigned long m_identifierForLoadWithoutResourceLoader;
 
         DocumentLoaderTimer m_dataLoadTimer;
 
         friend class ApplicationCacheHost;  // for substitute resource delivery
         OwnPtr<ApplicationCacheHost> m_applicationCacheHost;
     };
 }
 
 #endif // DocumentLoader_h