Fix Win Clang -Wpessimizing-move error

Fix Win Clang -Wpessimizing-move error

The build was failing with:

..\..\ipc\attachment_broker_privileged_win_unittest.cc(105,10) :
error: moving a local object in a return statement prevents copy elision [-Werror,-Wpessimizing-move]
  return std::move(shared_memory);
         ^

BUG=82385
TBR=erikchen

Committed: https://chromium.googlesource.com/chromium/src/+/b7da247515b4c2f0fc8d6474f891f50335a0cc90

[hans, 2016-01-08 14:23:27]

Description was changed from

==========
Fix Win Clang -Wpessimizing-move error

The build was failing with:

..\..\ipc\attachment_broker_privileged_win_unittest.cc(105,10) :
error: moving a local object in a return statement prevents copy elision
[-Werror,-Wpessimizing-move]
  return std::move(shared_memory);
         ^

BUG=82385
==========

to

==========
Fix Win Clang -Wpessimizing-move error

The build was failing with:

..\..\ipc\attachment_broker_privileged_win_unittest.cc(105,10) :
error: moving a local object in a return statement prevents copy elision
[-Werror,-Wpessimizing-move]
  return std::move(shared_memory);
         ^

BUG=82385
TBR=erikchen
==========

[hans, 2016-01-08 14:23:28]

hans@chromium.org changed reviewers:
+ erikchen@chromium.org

[hans, 2016-01-08 14:23:35]

The CQ bit was checked by hans@chromium.org

[commit-bot: I haz the power, 2016-01-08 14:23:44]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1575433002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1575433002/1

[commit-bot: I haz the power, 2016-01-08 14:35:59]

Description was changed from

==========
Fix Win Clang -Wpessimizing-move error

The build was failing with:

..\..\ipc\attachment_broker_privileged_win_unittest.cc(105,10) :
error: moving a local object in a return statement prevents copy elision
[-Werror,-Wpessimizing-move]
  return std::move(shared_memory);
         ^

BUG=82385
TBR=erikchen
==========

to

==========
Fix Win Clang -Wpessimizing-move error

The build was failing with:

..\..\ipc\attachment_broker_privileged_win_unittest.cc(105,10) :
error: moving a local object in a return statement prevents copy elision
[-Werror,-Wpessimizing-move]
  return std::move(shared_memory);
         ^

BUG=82385
TBR=erikchen

Committed: https://crrev.com/b7da247515b4c2f0fc8d6474f891f50335a0cc90
Cr-Commit-Position: refs/heads/master@{#368328}
==========

[commit-bot: I haz the power, 2016-01-08 14:36:00]

Patchset 1 (id:??) landed as
https://crrev.com/b7da247515b4c2f0fc8d6474f891f50335a0cc90
Cr-Commit-Position: refs/heads/master@{#368328}

[hans, 2016-01-08 14:36:38]

Description was changed from

==========
Fix Win Clang -Wpessimizing-move error

The build was failing with:

..\..\ipc\attachment_broker_privileged_win_unittest.cc(105,10) :
error: moving a local object in a return statement prevents copy elision
[-Werror,-Wpessimizing-move]
  return std::move(shared_memory);
         ^

BUG=82385
TBR=erikchen

Committed: https://crrev.com/b7da247515b4c2f0fc8d6474f891f50335a0cc90
Cr-Commit-Position: refs/heads/master@{#368328}
==========

to

==========
Fix Win Clang -Wpessimizing-move error

The build was failing with:

..\..\ipc\attachment_broker_privileged_win_unittest.cc(105,10) :
error: moving a local object in a return statement prevents copy elision
[-Werror,-Wpessimizing-move]
  return std::move(shared_memory);
         ^

BUG=82385
TBR=erikchen

Committed:
https://chromium.googlesource.com/chromium/src/+/b7da247515b4c2f0fc8d6474f891...
==========

[hans, 2016-01-08 14:36:39]

Committed patchset #1 (id:1) manually as
b7da247515b4c2f0fc8d6474f891f50335a0cc90 (presubmit successful).