Remove duplication of encoded image data

third_party/WebKit/Source/bindings/core/v8/ScriptStreamer.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "bindings/core/v8/ScriptStreamer.h"
 
 #include "bindings/core/v8/ScriptStreamerThread.h"
 #include "bindings/core/v8/V8ScriptRunner.h"
 #include "core/dom/Document.h"
 #include "core/dom/Element.h"
@@ skipping 281 matching lines @@
             // The resource has a code cache, so it's unnecessary to stream and
             // parse the code. Cancel the streaming and resume the non-streaming
             // code path.
             streamer->suppressStreaming();
             cancel();
             return;
         }
 
         if (!m_resourceBuffer) {
             // We don't have a buffer yet. Try to get it from the resource.
-            SharedBuffer* buffer = streamer->resource()->resourceBuffer();
-            m_resourceBuffer = RefPtr<SharedBuffer>(buffer);
+            m_resourceBuffer = streamer->resource()->resourceBuffer();
         }
 
         fetchDataFromResourceBuffer(lengthOfBOM);
     }
 
     void fetchDataFromResourceBuffer(size_t lengthOfBOM)
     {
         ASSERT(isMainThread());
         MutexLocker locker(m_mutex); // For m_cancelled + m_queueTailPosition.
 
@@ skipping 360 matching lines @@
 
     // The Resource might go out of scope if the script is no longer
     // needed. This makes PendingScript notify the ScriptStreamer when it is
     // destroyed.
     script->setStreamer(ScriptStreamer::create(script, scriptType, scriptState, compileOption, loadingTaskRunner));
 
     return true;
 }
 
 } // namespace blink