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

chrome/browser/ui/views/dropdown_bar_host.h

 // Copyright (c) 2011 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_VIEWS_DROPDOWN_BAR_HOST_H_
 #define CHROME_BROWSER_UI_VIEWS_DROPDOWN_BAR_HOST_H_
 
+#include <memory>
+
 #include "base/compiler_specific.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "content/public/browser/native_web_keyboard_event.h"
 #include "ui/gfx/animation/animation_delegate.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/views/focus/focus_manager.h"
 
 class BrowserView;
 class DropdownBarHostDelegate;
 class DropdownBarView;
 
@@ skipping 131 matching lines @@
   void SetHostViewNative(views::View* host_view);
 
   // The BrowserView that created us.
   BrowserView* browser_view_;
 
   // Our view, which is responsible for drawing the UI.
   views::View* view_;
   DropdownBarHostDelegate* delegate_;
 
   // The animation class to use when opening the Dropdown widget.
-  scoped_ptr<gfx::SlideAnimation> animation_;
+  std::unique_ptr<gfx::SlideAnimation> animation_;
 
   // The focus manager we register with to keep track of focus changes.
   views::FocusManager* focus_manager_;
 
   // True if the accelerator target for Esc key is registered.
   bool esc_accel_target_registered_;
 
   // Tracks and stores the last focused view which is not the DropdownBarView
   // or any of its children. Used to restore focus once the DropdownBarView is
   // closed.
-  scoped_ptr<views::ExternalFocusTracker> focus_tracker_;
+  std::unique_ptr<views::ExternalFocusTracker> focus_tracker_;
 
   // Host is the Widget implementation that is created and maintained by the
   // dropdown bar. It contains the DropdownBarView.
-  scoped_ptr<views::Widget> host_;
+  std::unique_ptr<views::Widget> host_;
 
   // A flag to manually manage visibility. GTK/X11 is asynchronous and
   // the state of the widget can be out of sync.
   bool is_visible_;
 
   DISALLOW_COPY_AND_ASSIGN(DropdownBarHost);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_DROPDOWN_BAR_HOST_H_