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

Source/core/loader/DocumentThreadableLoader.cpp

 /*
  * Copyright (C) 2011, 2012 Google Inc. All rights reserved.
  * Copyright (C) 2013, Intel Corporation
  *
  * 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.
@@ skipping 20 matching lines @@
 
 #include "config.h"
 #include "core/loader/DocumentThreadableLoader.h"
 
 #include "core/dom/Document.h"
 #include "core/inspector/InspectorInstrumentation.h"
 #include "core/loader/CrossOriginAccessControl.h"
 #include "core/loader/CrossOriginPreflightResultCache.h"
 #include "core/loader/DocumentThreadableLoaderClient.h"
 #include "core/loader/FrameLoader.h"
-#include "core/loader/ResourceLoader.h"
 #include "core/loader/ThreadableLoaderClient.h"
 #include "core/loader/cache/CachedRawResource.h"
 #include "core/loader/cache/CachedResourceLoader.h"
 #include "core/loader/cache/CachedResourceRequest.h"
 #include "core/page/ContentSecurityPolicy.h"
 #include "core/page/Frame.h"
 #include "core/platform/network/ResourceError.h"
 #include "core/platform/network/ResourceRequest.h"
 #include "weborigin/SchemeRegistry.h"
 #include "weborigin/SecurityOrigin.h"
@@ skipping 428 matching lines @@
         return true;
     return m_document->contentSecurityPolicy()->allowConnectToSource(url);
 }
 
 SecurityOrigin* DocumentThreadableLoader::securityOrigin() const
 {
     return m_options.securityOrigin ? m_options.securityOrigin.get() : m_document->securityOrigin();
 }
 
 } // namespace WebCore