Replaced PassRefPtr copies with moves in Source/platform.

third_party/WebKit/Source/platform/blob/BlobRegistry.cpp

 /*
  * Copyright (C) 2010 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 140 matching lines @@
 
 static void addDataToStreamTask(const KURL& url, PassRefPtr<RawData> streamData)
 {
     if (WebBlobRegistry* registry = blobRegistry())
         registry->addDataToStream(url, streamData->data(), streamData->length());
 }
 
 void BlobRegistry::addDataToStream(const KURL& url, PassRefPtr<RawData> streamData)
 {
     if (isMainThread())
-        addDataToStreamTask(url, streamData);
+        addDataToStreamTask(url, std::move(streamData));
     else
         Platform::current()->mainThread()->getWebTaskRunner()->postTask(BLINK_FROM_HERE, crossThreadBind(&addDataToStreamTask, url, streamData));
 }
 
 static void flushStreamTask(const KURL& url)
 {
     if (WebBlobRegistry* registry = blobRegistry())
         registry->flushStream(url);
 }
 
@@ skipping 55 matching lines @@
 }
 
 SecurityOrigin* BlobOriginMap::getOrigin(const KURL& url)
 {
     if (url.protocolIs("blob"))
         return originMap()->get(url.getString());
     return 0;
 }
 
 } // namespace blink