Replaced PassRefPtr copies with moves in Source/platform.

third_party/WebKit/Source/platform/blob/BlobData.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 83 matching lines @@
 void BlobData::setContentType(const String& contentType)
 {
     if (isValidBlobType(contentType))
         m_contentType = contentType;
     else
         m_contentType = "";
 }
 
 void BlobData::appendData(PassRefPtr<RawData> data, long long offset, long long length)
 {
-    m_items.append(BlobDataItem(data, offset, length));
+    m_items.append(BlobDataItem(std::move(data), offset, length));
 }
 
 void BlobData::appendFile(const String& path)
 {
     m_items.append(BlobDataItem(path));
 }
 
 void BlobData::appendFile(const String& path, long long offset, long long length, double expectedModificationTime)
 {
     m_items.append(BlobDataItem(path, offset, length, expectedModificationTime));
 }
 
 void BlobData::appendBlob(PassRefPtr<BlobDataHandle> dataHandle, long long offset, long long length)
 {
-    m_items.append(BlobDataItem(dataHandle, offset, length));
+    m_items.append(BlobDataItem(std::move(dataHandle), offset, length));
 }
 
 void BlobData::appendFileSystemURL(const KURL& url, long long offset, long long length, double expectedModificationTime)
 {
     m_items.append(BlobDataItem(url, offset, length, expectedModificationTime));
 }
 
 void BlobData::appendText(const String& text, bool doNormalizeLineEndingsToNative)
 {
     CString utf8Text = UTF8Encoding().encode(text, WTF::EntitiesForUnencodables);
@@ skipping 89 matching lines @@
 {
     BlobRegistry::addBlobDataRef(m_uuid);
 }
 
 BlobDataHandle::~BlobDataHandle()
 {
     BlobRegistry::removeBlobDataRef(m_uuid);
 }
 
 } // namespace blink