Convert //ash from scoped_ptr to std::unique_ptr

ash/test/ash_test_helper.cc

 // Copyright 2013 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 "ash/test/ash_test_helper.h"
 
 #include "ash/accelerators/accelerator_controller.h"
 #include "ash/ash_switches.h"
 #include "ash/display/display_info.h"
 #include "ash/shell.h"
@@ skipping 100 matching lines @@
     test_shell_content_state_ = new TestShellContentState;
     content_state = test_shell_content_state_;
   }
   ShellContentState::SetInstance(content_state);
 
   ShellInitParams init_params;
   init_params.delegate = test_shell_delegate_;
   init_params.context_factory = context_factory;
   init_params.blocking_pool = content::BrowserThread::GetBlockingPool();
   ash::Shell::CreateInstance(init_params);
-  aura::test::EnvTestHelper(aura::Env::GetInstance()).SetInputStateLookup(
-      scoped_ptr<aura::InputStateLookup>());
+  aura::test::EnvTestHelper(aura::Env::GetInstance())
+      .SetInputStateLookup(std::unique_ptr<aura::InputStateLookup>());
 
   Shell* shell = Shell::GetInstance();
   if (start_session) {
     GetTestSessionStateDelegate()->SetActiveUserSessionStarted(true);
     GetTestSessionStateDelegate()->SetHasActiveUser(true);
   }
 
   test::DisplayManagerTestApi().DisableChangeDisplayUponHostResize();
   ShellTestApi(shell).DisableDisplayAnimator();
 
   test_screenshot_delegate_ = new TestScreenshotDelegate();
   shell->accelerator_controller()->SetScreenshotDelegate(
-      scoped_ptr<ScreenshotDelegate>(test_screenshot_delegate_));
+      std::unique_ptr<ScreenshotDelegate>(test_screenshot_delegate_));
 }
 
 void AshTestHelper::TearDown() {
   // Tear down the shell.
   Shell::DeleteInstance();
   ShellContentState::DestroyInstance();
 
   test_screenshot_delegate_ = NULL;
 
   // Remove global message center state.
@@ skipping 58 matching lines @@
 bool AshTestHelper::SupportsHostWindowResize() {
 #if defined(OS_WIN)
   return false;
 #else
   return true;
 #endif
 }
 
 }  // namespace test
 }  // namespace ash