| Index: google_apis/gcm/engine/mcs_client_unittest.cc | 
| diff --git a/google_apis/gcm/engine/mcs_client_unittest.cc b/google_apis/gcm/engine/mcs_client_unittest.cc | 
| index b1b29410475255bb83d202fbeb851eef955c955d..2c6b467924b417176f6c32fb4b272fb708819cfc 100644 | 
| --- a/google_apis/gcm/engine/mcs_client_unittest.cc | 
| +++ b/google_apis/gcm/engine/mcs_client_unittest.cc | 
| @@ -6,6 +6,7 @@ | 
|  | 
| #include <stddef.h> | 
| #include <stdint.h> | 
| +#include <utility> | 
|  | 
| #include "base/bind.h" | 
| #include "base/bind_helpers.h" | 
| @@ -251,7 +252,7 @@ void MCSClientTest::AddExpectedLoginRequest( | 
| setting->set_value(base::IntToString(heartbeat_interval_ms)); | 
| } | 
| GetFakeHandler()->ExpectOutgoingMessage( | 
| -      MCSMessage(kLoginRequestTag, login_request.Pass())); | 
| +      MCSMessage(kLoginRequestTag, std::move(login_request))); | 
| } | 
|  | 
| void MCSClientTest::StoreCredentials() { | 
| @@ -429,7 +430,7 @@ TEST_F(MCSClientTest, SendMessageRMQWhileDisconnected) { | 
| // Receive the ack. | 
| scoped_ptr<mcs_proto::IqStanza> ack = BuildStreamAck(); | 
| ack->set_last_stream_id_received(2); | 
| -  GetFakeHandler()->ReceiveMessage(MCSMessage(kIqStanzaTag, ack.Pass())); | 
| +  GetFakeHandler()->ReceiveMessage(MCSMessage(kIqStanzaTag, std::move(ack))); | 
| WaitForMCSEvent(); | 
|  | 
| EXPECT_EQ(MCSClient::SENT, message_send_status()); | 
| @@ -491,7 +492,7 @@ TEST_F(MCSClientTest, SendMessageRMQWithStreamAck) { | 
| // Receive the ack. | 
| scoped_ptr<mcs_proto::IqStanza> ack = BuildStreamAck(); | 
| ack->set_last_stream_id_received(kMessageBatchSize + 1); | 
| -  GetFakeHandler()->ReceiveMessage(MCSMessage(kIqStanzaTag, ack.Pass())); | 
| +  GetFakeHandler()->ReceiveMessage(MCSMessage(kIqStanzaTag, std::move(ack))); | 
| WaitForMCSEvent(); | 
|  | 
| // Reconnect and ensure no messages are resent. | 
| @@ -529,7 +530,7 @@ TEST_F(MCSClientTest, SendMessageRMQAckOnReconnect) { | 
| InitializeClient(); | 
| LoginClient(std::vector<std::string>()); | 
| scoped_ptr<mcs_proto::IqStanza> ack(BuildSelectiveAck(id_list)); | 
| -  GetFakeHandler()->ReceiveMessage(MCSMessage(kIqStanzaTag, ack.Pass())); | 
| +  GetFakeHandler()->ReceiveMessage(MCSMessage(kIqStanzaTag, std::move(ack))); | 
| EXPECT_TRUE(GetFakeHandler()->AllOutgoingMessagesReceived()); | 
| } | 
|  | 
| @@ -575,7 +576,7 @@ TEST_F(MCSClientTest, SendMessageRMQPartialAckOnReconnect) { | 
| GetFakeHandler()->ExpectOutgoingMessage(message); | 
| } | 
| scoped_ptr<mcs_proto::IqStanza> ack(BuildSelectiveAck(acked_ids)); | 
| -  GetFakeHandler()->ReceiveMessage(MCSMessage(kIqStanzaTag, ack.Pass())); | 
| +  GetFakeHandler()->ReceiveMessage(MCSMessage(kIqStanzaTag, std::move(ack))); | 
| WaitForMCSEvent(); | 
| PumpLoop(); | 
| EXPECT_TRUE(GetFakeHandler()->AllOutgoingMessagesReceived()); | 
| @@ -638,7 +639,7 @@ TEST_F(MCSClientTest, SelectiveAckMidStream) { | 
| GetFakeHandler()->ExpectOutgoingMessage(cMessage3); | 
| std::vector<std::string> acked_ids(1, "1"); | 
| scoped_ptr<mcs_proto::IqStanza> ack(BuildSelectiveAck(acked_ids)); | 
| -  GetFakeHandler()->ReceiveMessage(MCSMessage(kIqStanzaTag, ack.Pass())); | 
| +  GetFakeHandler()->ReceiveMessage(MCSMessage(kIqStanzaTag, std::move(ack))); | 
| WaitForMCSEvent(); | 
| PumpLoop(); | 
| EXPECT_TRUE(GetFakeHandler()->AllOutgoingMessagesReceived()); | 
| @@ -725,7 +726,8 @@ TEST_F(MCSClientTest, AckWhenLimitReachedWithHeartbeat) { | 
| // The stream ack. | 
| scoped_ptr<mcs_proto::IqStanza> ack = BuildStreamAck(); | 
| ack->set_last_stream_id_received(kAckLimitSize + 1); | 
| -  GetFakeHandler()->ExpectOutgoingMessage(MCSMessage(kIqStanzaTag, ack.Pass())); | 
| +  GetFakeHandler()->ExpectOutgoingMessage( | 
| +      MCSMessage(kIqStanzaTag, std::move(ack))); | 
|  | 
| // Receive some messages. | 
| std::vector<std::string> id_list; | 
| @@ -749,10 +751,10 @@ TEST_F(MCSClientTest, AckWhenLimitReachedWithHeartbeat) { | 
| new mcs_proto::HeartbeatAck()); | 
| heartbeat_ack->set_last_stream_id_received(kAckLimitSize + 2); | 
| GetFakeHandler()->ExpectOutgoingMessage( | 
| -      MCSMessage(kHeartbeatAckTag, heartbeat_ack.Pass())); | 
| +      MCSMessage(kHeartbeatAckTag, std::move(heartbeat_ack))); | 
|  | 
| GetFakeHandler()->ReceiveMessage( | 
| -      MCSMessage(kHeartbeatPingTag, heartbeat.Pass())); | 
| +      MCSMessage(kHeartbeatPingTag, std::move(heartbeat))); | 
| PumpLoop(); | 
| EXPECT_TRUE(GetFakeHandler()->AllOutgoingMessagesReceived()); | 
|  | 
| @@ -1154,7 +1156,8 @@ TEST_F(MCSClientTest, AckWhenImmediateAckRequested) { | 
| // The stream ack. | 
| scoped_ptr<mcs_proto::IqStanza> ack = BuildStreamAck(); | 
| ack->set_last_stream_id_received(kAckLimitSize - 1); | 
| -  GetFakeHandler()->ExpectOutgoingMessage(MCSMessage(kIqStanzaTag, ack.Pass())); | 
| +  GetFakeHandler()->ExpectOutgoingMessage( | 
| +      MCSMessage(kIqStanzaTag, std::move(ack))); | 
|  | 
| // Receive some messages. | 
| for (int i = 1; i < kAckLimitSize - 2; ++i) { | 
|  |