Removed calls to RefPtr::Release in return statements with auto move.

third_party/WebKit/Source/modules/fetch/FormDataBytesConsumer.cpp

 // Copyright 2016 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 "modules/fetch/FormDataBytesConsumer.h"
 
 #include "core/dom/DOMArrayBuffer.h"
 #include "core/dom/DOMArrayBufferView.h"
 #include "modules/fetch/BlobBytesConsumer.h"
 #include "platform/blob/BlobData.h"
@@ skipping 159 matching lines @@
   }
   Result EndRead(size_t read_size) override {
     return blob_bytes_consumer_->EndRead(read_size);
   }
   PassRefPtr<BlobDataHandle> DrainAsBlobDataHandle(
       BlobSizePolicy policy) override {
     RefPtr<BlobDataHandle> handle =
         blob_bytes_consumer_->DrainAsBlobDataHandle(policy);
     if (handle)
       form_data_ = nullptr;
-    return handle.Release();
+    return handle;
   }
   PassRefPtr<EncodedFormData> DrainAsFormData() override {
     if (!form_data_)
       return nullptr;
     blob_bytes_consumer_->Cancel();
     return form_data_.Release();
   }
   void SetClient(BytesConsumer::Client* client) override {
     blob_bytes_consumer_->SetClient(client);
   }
@@ skipping 45 matching lines @@
     BytesConsumer* consumer)
     : impl_(IsSimple(form_data.Get())
                 ? static_cast<BytesConsumer*>(
                       new SimpleFormDataBytesConsumer(std::move(form_data)))
                 : static_cast<BytesConsumer*>(
                       new ComplexFormDataBytesConsumer(execution_context,
                                                        std::move(form_data),
                                                        consumer))) {}
 
 }  // namespace blink