Cleanup namespace usage in Source/web/Web[I-Z]*.cpp

Source/web/WebSecurityPolicy.cpp

 /*
  * Copyright (C) 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 20 matching lines @@
 #include "config.h"
 #include "public/web/WebSecurityPolicy.h"
 
 #include "core/loader/FrameLoader.h"
 #include "platform/weborigin/SchemeRegistry.h"
 #include "platform/weborigin/SecurityOrigin.h"
 #include "platform/weborigin/SecurityPolicy.h"
 #include "public/platform/WebString.h"
 #include "public/platform/WebURL.h"
 
-using namespace blink;
-
 namespace blink {
 
 void WebSecurityPolicy::registerURLSchemeAsLocal(const WebString& scheme)
 {
     SchemeRegistry::registerURLSchemeAsLocal(scheme);
 }
 
 void WebSecurityPolicy::registerURLSchemeAsNoAccess(const WebString& scheme)
 {
     SchemeRegistry::registerURLSchemeAsNoAccess(scheme);
@@ skipping 55 matching lines @@
 {
     return SecurityPolicy::generateReferrerHeader(static_cast<ReferrerPolicy>(referrerPolicy), url, referrer);
 }
 
 void WebSecurityPolicy::registerURLSchemeAsNotAllowingJavascriptURLs(const WebString& scheme)
 {
     SchemeRegistry::registerURLSchemeAsNotAllowingJavascriptURLs(scheme);
 }
 
 } // namespace blink