Replace scoped_ptr with std::unique_ptr in //ui

ui/snapshot/screenshot_grabber.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 UI_SNAPSHOT_SCREENSHOT_GRABBER_H_
 #define UI_SNAPSHOT_SCREENSHOT_GRABBER_H_
 
+#include <memory>
+
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/files/file_path.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted_memory.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
 #include "base/time/time.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/snapshot/screenshot_grabber_observer.h"
 #include "ui/snapshot/snapshot_export.h"
 
 namespace base {
 class TaskRunner;
@@ skipping 68 matching lines @@
 
   base::ObserverList<ScreenshotGrabberObserver> observers_;
   base::WeakPtrFactory<ScreenshotGrabber> factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ScreenshotGrabber);
 };
 
 }  // namespace ui
 
 #endif  // UI_SNAPSHOT_SCREENSHOT_GRABBER_H_