Remove Pass on CrOS.

ash/host/ash_window_tree_host_ozone.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 "ash/host/ash_window_tree_host.h"
 
+#include <utility>
+
 #include "ash/host/ash_window_tree_host_init_params.h"
 #include "ash/host/ash_window_tree_host_unified.h"
 #include "ash/host/root_window_transformer.h"
 #include "ash/host/transformer_helper.h"
 #include "ash/ime/input_method_event_handler.h"
 #include "base/command_line.h"
 #include "base/trace_event/trace_event.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_tree_host_platform.h"
 #include "ui/events/event_processor.h"
@@ skipping 61 matching lines @@
   platform_window()->ConfineCursorToBounds(confined_bounds);
   return true;
 }
 
 void AshWindowTreeHostOzone::UnConfineCursor() {
   NOTIMPLEMENTED();
 }
 
 void AshWindowTreeHostOzone::SetRootWindowTransformer(
     scoped_ptr<RootWindowTransformer> transformer) {
-  transformer_helper_.SetRootWindowTransformer(transformer.Pass());
+  transformer_helper_.SetRootWindowTransformer(std::move(transformer));
   ConfineCursorToRootWindow();
 }
 
 gfx::Insets AshWindowTreeHostOzone::GetHostInsets() const {
   return transformer_helper_.GetHostInsets();
 }
 
 aura::WindowTreeHost* AshWindowTreeHostOzone::AsWindowTreeHost() {
   return this;
 }
@@ skipping 62 matching lines @@
 }  // namespace
 
 AshWindowTreeHost* AshWindowTreeHost::Create(
     const AshWindowTreeHostInitParams& init_params) {
   if (init_params.offscreen)
     return new AshWindowTreeHostUnified(init_params.initial_bounds);
   return new AshWindowTreeHostOzone(init_params.initial_bounds);
 }
 
 }  // namespace ash