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

extensions/browser/extension_host.h

 // 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.
 
 #ifndef EXTENSIONS_BROWSER_EXTENSION_HOST_H_
 #define EXTENSIONS_BROWSER_EXTENSION_HOST_H_
 
 #include <stdint.h>
 
+#include <memory>
 #include <set>
 #include <string>
 
 #include "base/logging.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/observer_list.h"
 #include "base/timer/elapsed_timer.h"
 #include "content/public/browser/web_contents_delegate.h"
 #include "content/public/browser/web_contents_observer.h"
 #include "extensions/browser/deferred_start_render_host.h"
 #include "extensions/browser/extension_function_dispatcher.h"
 #include "extensions/browser/extension_registry_observer.h"
 #include "extensions/common/stack_frame.h"
 #include "extensions/common/view_type.h"
 
@@ skipping 132 matching lines @@
 
   // Message handlers.
   void OnEventAck(int event_id);
   void OnIncrementLazyKeepaliveCount();
   void OnDecrementLazyKeepaliveCount();
 
   // Records UMA for load events.
   void RecordStopLoadingUMA();
 
   // Delegate for functionality that cannot exist in the extensions module.
-  scoped_ptr<ExtensionHostDelegate> delegate_;
+  std::unique_ptr<ExtensionHostDelegate> delegate_;
 
   // The extension that we're hosting in this view.
   const Extension* extension_;
 
   // Id of extension that we're hosting in this view.
   const std::string extension_id_;
 
   // The browser context that this host is tied to.
   content::BrowserContext* browser_context_;
 
   // The host for our HTML content.
-  scoped_ptr<content::WebContents> host_contents_;
+  std::unique_ptr<content::WebContents> host_contents_;
 
   // A weak pointer to the current or pending RenderViewHost. We don't access
   // this through the host_contents because we want to deal with the pending
   // host, so we can send messages to it before it finishes loading.
   content::RenderViewHost* render_view_host_;
 
   // Whether CreateRenderViewNow was called before the extension was ready.
   bool is_render_view_creation_pending_;
 
   // Whether the ExtensionHost has finished loading some content at least once.
@@ skipping 15 matching lines @@
 
   // Measures how long since the ExtensionHost object was created. This can be
   // used to measure the responsiveness of UI. For example, it's important to
   // keep this as low as possible for popups. Contrast this to |load_start_|,
   // for which a low value does not necessarily mean a responsive UI, as
   // ExtensionHosts may sit in an ExtensionHostQueue for a long time.
   base::ElapsedTimer create_start_;
 
   // Measures how long since the initial URL started loading. This timer is
   // started only once the ExtensionHost has exited the ExtensionHostQueue.
-  scoped_ptr<base::ElapsedTimer> load_start_;
+  std::unique_ptr<base::ElapsedTimer> load_start_;
 
   base::ObserverList<ExtensionHostObserver> observer_list_;
   base::ObserverList<DeferredStartRenderHostObserver>
       deferred_start_render_host_observer_list_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionHost);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_EXTENSION_HOST_H_