Replace scoped_ptr with std::unique_ptr in //ui

ui/views/widget/desktop_aura/x11_whole_screen_move_loop.cc

 // 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.
 
 #include "ui/views/widget/desktop_aura/x11_whole_screen_move_loop.h"
 
 #include <stddef.h>
 #include <X11/keysym.h>
 #include <X11/Xlib.h>
 #include <utility>
@@ skipping 141 matching lines @@
     CHECK(capture_client->GetGlobalCaptureWindow() == NULL);
     grabbed_pointer_ = GrabPointer(cursor);
     if (!grabbed_pointer_) {
       XDestroyWindow(gfx::GetXDisplay(), grab_input_window_);
       return false;
     }
   }
 
   GrabEscKey();
 
-  scoped_ptr<ui::ScopedEventDispatcher> old_dispatcher =
+  std::unique_ptr<ui::ScopedEventDispatcher> old_dispatcher =
       std::move(nested_dispatcher_);
   nested_dispatcher_ =
          ui::PlatformEventSource::GetInstance()->OverrideDispatcher(this);
 
   // We are handling a mouse drag outside of the aura::Window system. We must
   // manually make aura think that the mouse button is pressed so that we don't
   // draw extraneous tooltips.
   aura::Env* env = aura::Env::GetInstance();
   if (!env->IsMouseButtonDown()) {
     env->set_mouse_button_flags(ui::EF_LEFT_MOUSE_BUTTON);
@@ skipping 97 matching lines @@
                                 DefaultRootWindow(display),
                                 -100, -100, 10, 10,
                                 0, CopyFromParent, InputOnly, CopyFromParent,
                                 attribute_mask, &swa);
   XMapRaised(display, window);
   ui::X11EventSource::GetInstance()->BlockUntilWindowMapped(window);
   return window;
 }
 
 }  // namespace views