Convert //base to use std::unique_ptr

base/test/test_support_ios.mm

 // Copyright (c) 2012 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.
 
 #import <UIKit/UIKit.h>
 
 #include "base/debug/debugger.h"
 #include "base/logging.h"
 #include "base/mac/scoped_nsautorelease_pool.h"
 #include "base/mac/scoped_nsobject.h"
@@ skipping 161 matching lines @@
 
   coverage_util::FlushCoverageDataIfNecessary();
 
   exit(exitStatus);
 }
 
 @end
 
 namespace {
 
-scoped_ptr<base::MessagePump> CreateMessagePumpForUIForTests() {
+std::unique_ptr<base::MessagePump> CreateMessagePumpForUIForTests() {
   // A default MessagePump will do quite nicely in tests.
-  return scoped_ptr<base::MessagePump>(new base::MessagePumpDefault());
+  return std::unique_ptr<base::MessagePump>(new base::MessagePumpDefault());
 }
 
 }  // namespace
 
 namespace base {
 
 void InitIOSTestMessageLoop() {
   MessageLoop::InitMessagePumpForUIFactory(&CreateMessagePumpForUIForTests);
 }
 
@@ skipping 16 matching lines @@
   if (!ran_hook) {
     ran_hook = true;
     mac::ScopedNSAutoreleasePool pool;
     int exit_status = UIApplicationMain(g_argc, g_argv, nil,
                                         @"ChromeUnitTestDelegate");
     exit(exit_status);
   }
 }
 
 }  // namespace base