Made PassRefPtr move only and replaced new copies with moves.

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 194 matching lines @@
 FormDataBytesConsumer::FormDataBytesConsumer(DOMArrayBufferView* view)
     : FormDataBytesConsumer(view->baseAddress(), view->byteLength()) {}
 
 FormDataBytesConsumer::FormDataBytesConsumer(const void* data, size_t size)
     : m_impl(new SimpleFormDataBytesConsumer(
           EncodedFormData::create(data, size))) {}
 
 FormDataBytesConsumer::FormDataBytesConsumer(
     ExecutionContext* executionContext,
     PassRefPtr<EncodedFormData> formData)
-    : FormDataBytesConsumer(executionContext, formData, nullptr) {}
+    : FormDataBytesConsumer(executionContext, std::move(formData), nullptr) {}
 
 FormDataBytesConsumer::FormDataBytesConsumer(
     ExecutionContext* executionContext,
     PassRefPtr<EncodedFormData> formData,
     BytesConsumer* consumer)
     : m_impl(isSimple(formData.get())
                  ? static_cast<BytesConsumer*>(
-                       new SimpleFormDataBytesConsumer(formData))
+                       new SimpleFormDataBytesConsumer(std::move(formData)))
                  : static_cast<BytesConsumer*>(
                        new ComplexFormDataBytesConsumer(executionContext,
-                                                        formData,
+                                                        std::move(formData),
                                                         consumer))) {}
 
 }  // namespace blink