Replaced PassRefPtr copies with moves in unit tests.

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

 // Copyright 2015 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/BytesConsumerTestUtil.h"
 
 #include "core/dom/ExecutionContext.h"
 #include "core/dom/TaskRunnerHelper.h"
 #include "platform/testing/UnitTestHelpers.h"
 #include "public/platform/WebTaskRunner.h"
 #include "wtf/Assertions.h"
 #include "wtf/Functional.h"
 
 namespace blink {
 
 using Result = BytesConsumer::Result;
 using ::testing::_;
+using ::testing::ByMove;
 using ::testing::DoAll;
 using ::testing::Return;
 using ::testing::SetArgPointee;
 
 BytesConsumerTestUtil::MockBytesConsumer::MockBytesConsumer() {
   ON_CALL(*this, beginRead(_, _))
       .WillByDefault(DoAll(SetArgPointee<0>(nullptr), SetArgPointee<1>(0),
                            Return(Result::Error)));
   ON_CALL(*this, endRead(_)).WillByDefault(Return(Result::Error));
   ON_CALL(*this, getPublicState()).WillByDefault(Return(PublicState::Errored));
-  ON_CALL(*this, drainAsBlobDataHandle(_)).WillByDefault(Return(nullptr));
-  ON_CALL(*this, drainAsFormData()).WillByDefault(Return(nullptr));
+  ON_CALL(*this, drainAsBlobDataHandle(_))
+      .WillByDefault(Return(ByMove(nullptr)));
+  ON_CALL(*this, drainAsFormData()).WillByDefault(Return(ByMove(nullptr)));
 }
 
 BytesConsumerTestUtil::ReplayingBytesConsumer::ReplayingBytesConsumer(
     ExecutionContext* executionContext)
     : m_executionContext(executionContext) {}
 
 BytesConsumerTestUtil::ReplayingBytesConsumer::~ReplayingBytesConsumer() {}
 
 Result BytesConsumerTestUtil::ReplayingBytesConsumer::beginRead(
     const char** buffer,
@@ skipping 147 matching lines @@
 BytesConsumerTestUtil::TwoPhaseReader::run() {
   onStateChange();
   while (m_result != BytesConsumer::Result::Done &&
          m_result != BytesConsumer::Result::Error)
     testing::runPendingTasks();
   testing::runPendingTasks();
   return std::make_pair(m_result, std::move(m_data));
 }
 
 }  // namespace blink