Made PassRefPtr move only and replaced new copies with moves.

third_party/WebKit/Source/modules/fetch/BlobBytesConsumer.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/BlobBytesConsumer.h"
 
 #include "core/fetch/FetchInitiatorTypeNames.h"
 #include "core/loader/ThreadableLoader.h"
 #include "modules/fetch/BytesConsumerForDataConsumerHandle.h"
 #include "platform/blob/BlobData.h"
@@ skipping 18 matching lines @@
     if (m_loader) {
       m_loader->cancel();
       m_loader = nullptr;
     }
     m_state = PublicState::Closed;
   }
 }
 
 BlobBytesConsumer::BlobBytesConsumer(ExecutionContext* executionContext,
                                      PassRefPtr<BlobDataHandle> blobDataHandle)
-    : BlobBytesConsumer(executionContext, blobDataHandle, nullptr) {}
+    : BlobBytesConsumer(executionContext, std::move(blobDataHandle), nullptr) {}
 
 BlobBytesConsumer::~BlobBytesConsumer() {}
 
 BytesConsumer::Result BlobBytesConsumer::beginRead(const char** buffer,
                                                    size_t* available) {
   *buffer = nullptr;
   *available = 0;
 
   if (m_state == PublicState::Closed) {
     // It's possible that |cancel| has been called before the first
@@ skipping 208 matching lines @@
   visitor->trace(m_loader);
   BytesConsumer::trace(visitor);
   BytesConsumer::Client::trace(visitor);
   ContextLifecycleObserver::trace(visitor);
 }
 
 BlobBytesConsumer* BlobBytesConsumer::createForTesting(
     ExecutionContext* executionContext,
     PassRefPtr<BlobDataHandle> blobDataHandle,
     ThreadableLoader* loader) {
-  return new BlobBytesConsumer(executionContext, blobDataHandle, loader);
+  return new BlobBytesConsumer(executionContext, std::move(blobDataHandle),
+                               loader);
 }
 
 ThreadableLoader* BlobBytesConsumer::createLoader() {
   ThreadableLoaderOptions options;
   options.preflightPolicy = ConsiderPreflight;
   options.crossOriginRequestPolicy = DenyCrossOriginRequests;
   options.contentSecurityPolicyEnforcement = DoNotEnforceContentSecurityPolicy;
   options.initiator = FetchInitiatorTypeNames::internal;
 
   ResourceLoaderOptions resourceLoaderOptions;
@@ skipping 18 matching lines @@
 void BlobBytesConsumer::clear() {
   DCHECK_NE(m_state, PublicState::ReadableOrWaiting);
   if (m_loader) {
     m_loader->cancel();
     m_loader = nullptr;
   }
   m_client = nullptr;
 }
 
 }  // namespace blink