Enabled/disable touch screen in TabletPowerButtonController

ash/mus/shell_delegate_mus.cc

 // Copyright 2016 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/mus/shell_delegate_mus.h"
 
 #include <utility>
 
 #include "ash/common/gpu_support_stub.h"
 #include "ash/common/media_delegate.h"
@@ skipping 213 matching lines @@
 base::string16 ShellDelegateMus::GetProductName() const {
   NOTIMPLEMENTED();
   return base::string16();
 }
 
 gfx::Image ShellDelegateMus::GetDeprecatedAcceleratorImage() const {
   NOTIMPLEMENTED();
   return gfx::Image();
 }
 
+bool ShellDelegateMus::IsTouchscreenEnabledInPrefs(bool use_local_state) const {
+  NOTIMPLEMENTED();

[Daniel Erat, 2016/12/03 00:08:44]

just to double-check, are these going to be implemented later? if so,
NOTIMPLEMENTED() seems correct.

[Qiang(Joe) Xu, 2016/12/03 01:02:44]

I think yes. AFAIK, chromeos UI will move to mus-ash architecture. So this
should be implemented in the future.

+  return true;
+}
+
+void ShellDelegateMus::SetTouchscreenEnabledInPrefs(bool enabled,
+                                                    bool use_local_state) {
+  NOTIMPLEMENTED();
+}
+
+void ShellDelegateMus::UpdateTouchscreenStatusFromPrefs() {
+  NOTIMPLEMENTED();
+}
+
 }  // namespace ash