Enabled/disable touch screen in TabletPowerButtonController

ash/mus/shell_delegate_mus.cc

Index: ash/mus/shell_delegate_mus.cc
diff --git a/ash/mus/shell_delegate_mus.cc b/ash/mus/shell_delegate_mus.cc
index 3e2dc1c655e8adbe6e0b1441519f06a0e04cf2ff..054100e6e6ab174db846414294f5d82e90cc4559 100644
--- a/ash/mus/shell_delegate_mus.cc
+++ b/ash/mus/shell_delegate_mus.cc
@@ -231,4 +231,18 @@ gfx::Image ShellDelegateMus::GetDeprecatedAcceleratorImage() const {
   return gfx::Image();
 }
 
+bool ShellDelegateMus::IsTouchscreenEnabledInPrefs(bool use_local_state) const {
+  NOTIMPLEMENTED();
+  return true;
+}
+
+void ShellDelegateMus::SetTouchscreenEnabledInPrefs(bool enabled,
+                                                    bool use_local_state) {
+  NOTIMPLEMENTED();
+}
+
+void ShellDelegateMus::UpdateTouchscreenStatusFromPrefs() {
+  NOTIMPLEMENTED();
+}
+
 }  // namespace ash