Rename WebCore namespace to blink in Platform

Source/platform/network/ContentSecurityPolicyResponseHeaders.cpp

 /*
  * Copyright (C) 2013 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.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 10 matching lines @@
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (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 "platform/network/ContentSecurityPolicyResponseHeaders.h"
 
 #include "platform/network/ResourceResponse.h"
 
-namespace WebCore {
+namespace blink {
 
 ContentSecurityPolicyResponseHeaders::ContentSecurityPolicyResponseHeaders(const ResourceResponse& response)
     : m_contentSecurityPolicy(response.httpHeaderField("Content-Security-Policy"))
     , m_contentSecurityPolicyReportOnly(response.httpHeaderField("Content-Security-Policy-Report-Only"))
 {
 }
 
 }