Convert //chrome/browser/extensions from scoped_ptr to std::unique_ptr

chrome/browser/extensions/updater/extension_cache_impl.cc

 // Copyright 2014 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 "chrome/browser/extensions/updater/extension_cache_impl.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include "base/bind.h"
 #include "base/memory/singleton.h"
 #include "base/metrics/histogram.h"
 #include "base/sequenced_task_runner.h"
 #include "base/stl_util.h"
 #include "base/threading/sequenced_worker_pool.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/extensions/crx_installer.h"
 #include "chrome/browser/extensions/updater/extension_cache_delegate.h"
 #include "chrome/browser/extensions/updater/local_extension_cache.h"
 #include "chrome/common/extensions/extension_constants.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_source.h"
 #include "extensions/browser/install/crx_install_error.h"
 
 namespace extensions {
 
 ExtensionCacheImpl::ExtensionCacheImpl(
-    scoped_ptr<ExtensionCacheDelegate> delegate)
+    std::unique_ptr<ExtensionCacheDelegate> delegate)
     : cache_(new LocalExtensionCache(
           delegate->GetCacheDir(),
           delegate->GetMaximumCacheSize(),
           delegate->GetMaximumCacheAge(),
           content::BrowserThread::GetBlockingPool()
               ->GetSequencedTaskRunnerWithShutdownBehavior(
                   content::BrowserThread::GetBlockingPool()->GetSequenceToken(),
                   base::SequencedWorkerPool::SKIP_ON_SHUTDOWN))),
       weak_ptr_factory_(this) {
   notification_registrar_.Add(
@@ skipping 100 matching lines @@
       }
       break;
     }
 
     default:
       NOTREACHED();
   }
 }
 
 }  // namespace extensions