Replace Pass() with std::move in ui/ozone

ui/ozone/platform/drm/gpu/screen_manager.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/ozone/platform/drm/gpu/screen_manager.h"
 
 #include <xf86drmMode.h>
 
 #include "third_party/skia/include/core/SkCanvas.h"
 #include "ui/gfx/geometry/point.h"
@@ skipping 198 matching lines @@
       FindActiveDisplayControllerByLocation(bounds);
   if (it != controllers_.end())
     return it->get();
 
   return nullptr;
 }
 
 void ScreenManager::AddWindow(gfx::AcceleratedWidget widget,
                               scoped_ptr<DrmWindow> window) {
   std::pair<WidgetToWindowMap::iterator, bool> result =
-      window_map_.add(widget, window.Pass());
+      window_map_.add(widget, std::move(window));
   DCHECK(result.second) << "Window already added.";
   UpdateControllerToWindowMapping();
 }
 
 scoped_ptr<DrmWindow> ScreenManager::RemoveWindow(
     gfx::AcceleratedWidget widget) {
   scoped_ptr<DrmWindow> window = window_map_.take_and_erase(widget);
   DCHECK(window) << "Attempting to remove non-existing window for " << widget;
   UpdateControllerToWindowMapping();
-  return window.Pass();
+  return window;
 }
 
 DrmWindow* ScreenManager::GetWindow(gfx::AcceleratedWidget widget) {
   WidgetToWindowMap::iterator it = window_map_.find(widget);
   if (it != window_map_.end())
     return it->second;
 
   return nullptr;
 }
 
@@ skipping 141 matching lines @@
 DrmWindow* ScreenManager::FindWindowAt(const gfx::Rect& bounds) const {
   for (auto pair : window_map_) {
     if (pair.second->bounds() == bounds)
       return pair.second;
   }
 
   return nullptr;
 }
 
 }  // namespace ui