Move CrossThreadCopier from platform/ to wtf/

third_party/WebKit/Source/platform/network/ResourceResponse.h

 /*
  * Copyright (C) 2006, 2008 Apple Inc. All rights reserved.
  * 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:
  * 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
@@ skipping 439 matching lines @@
     String m_cacheStorageCacheName;
     int64_t m_responseTime;
     String m_remoteIPAddress;
     unsigned short m_remotePort;
     String m_downloadedFilePath;
     RefPtr<BlobDataHandle> m_downloadedFileHandle;
 };
 
 } // namespace blink
 
+namespace WTF {
+
+template <>
+struct CrossThreadCopier<blink::ResourceResponse> {
+    STATIC_ONLY(CrossThreadCopier);
+    typedef PassedWrapper<std::unique_ptr<blink::CrossThreadResourceResponseData>> Type;
+    PLATFORM_EXPORT static Type copy(const blink::ResourceResponse& response)
+    {
+        return passed(response.copyData());
+    }
+};
+
+} // namespace WTF
+
 #endif // ResourceResponse_h