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

chrome/browser/ui/cocoa/location_bar/page_action_decoration.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_COCOA_LOCATION_BAR_PAGE_ACTION_DECORATION_H_
 #define CHROME_BROWSER_UI_COCOA_LOCATION_BAR_PAGE_ACTION_DECORATION_H_
 
+#include <memory>
+
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/strings/string16.h"
 #import "chrome/browser/ui/cocoa/location_bar/image_decoration.h"
 #include "chrome/browser/ui/toolbar/toolbar_action_view_delegate.h"
 
 class Browser;
 class ExtensionAction;
 class ExtensionActionViewController;
 class LocationBarViewMac;
 @class MenuController;
 
@@ skipping 49 matching lines @@
 
   // Overridden from ToolbarActionViewDelegate:
   content::WebContents* GetCurrentWebContents() const override;
   bool IsMenuRunning() const override;
   void UpdateState() override;
 
   // The location bar view that owns us.
   LocationBarViewMac* owner_;
 
   // The view controller for this page action.
-  scoped_ptr<ExtensionActionViewController> viewController_;
+  std::unique_ptr<ExtensionActionViewController> viewController_;
 
   // The string to show for a tooltip.
   base::scoped_nsobject<NSString> tooltip_;
 
   // The context menu controller for the Page Action.
   base::scoped_nsobject<MenuController> contextMenuController_;
 
   // This is used for post-install visual feedback. The page_action
   // icon is briefly shown even if it hasn't been enabled by its
   // extension.
   bool preview_enabled_;
 
   DISALLOW_COPY_AND_ASSIGN(PageActionDecoration);
 };
 
 #endif  // CHROME_BROWSER_UI_COCOA_LOCATION_BAR_PAGE_ACTION_DECORATION_H_