Convert Pass()→std::move() in //ui (CrOS edition)

ui/display/chromeos/x11/native_display_event_dispatcher_x11.cc

 // 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.
 
+#include "ui/display/chromeos/x11/native_display_event_dispatcher_x11.h"
+
+#include <X11/extensions/Xrandr.h>
+#include <utility>
+
 #include "base/time/default_tick_clock.h"
-#include "ui/display/chromeos/x11/native_display_event_dispatcher_x11.h"
 #include "ui/display/chromeos/x11/display_mode_x11.h"
 #include "ui/display/chromeos/x11/display_snapshot_x11.h"
 #include "ui/events/platform/platform_event_source.h"
 
-#include <X11/extensions/Xrandr.h>
-
 namespace ui {
 
 // static
 const int NativeDisplayEventDispatcherX11::kUseCacheAfterStartupMs = 7000;
 
 NativeDisplayEventDispatcherX11::NativeDisplayEventDispatcherX11(
     NativeDisplayDelegateX11::HelperDelegate* delegate,
     int xrandr_event_base)
     : delegate_(delegate),
       xrandr_event_base_(xrandr_event_base),
@@ skipping 78 matching lines @@
     }
   }
 
   delegate_->NotifyDisplayObservers();
 
   return ui::POST_DISPATCH_PERFORM_DEFAULT;
 }
 
 void NativeDisplayEventDispatcherX11::SetTickClockForTest(
     scoped_ptr<base::TickClock> tick_clock) {
-  tick_clock_ = tick_clock.Pass();
+  tick_clock_ = std::move(tick_clock);
   startup_time_ = tick_clock_->NowTicks();
 }
 
 }  // namespace ui