mash: Fix launching chrome.

chrome/browser/chromeos/system/input_device_settings_impl_ozone.cc

Index: chrome/browser/chromeos/system/input_device_settings_impl_ozone.cc
diff --git a/chrome/browser/chromeos/system/input_device_settings_impl_ozone.cc b/chrome/browser/chromeos/system/input_device_settings_impl_ozone.cc
index c0ad7b67fdb38101dde0b3e21761ac0e67cc5ab1..7c6fa49dbe96cbed51af3d09468cdee201ba0fb5 100644
--- a/chrome/browser/chromeos/system/input_device_settings_impl_ozone.cc
+++ b/chrome/browser/chromeos/system/input_device_settings_impl_ozone.cc
@@ -54,11 +54,16 @@ class InputDeviceSettingsImplOzone : public InputDeviceSettings {
   DISALLOW_COPY_AND_ASSIGN(InputDeviceSettingsImplOzone);
 };
 
+ui::InputController* GetInputController() {
+  return  // ui::OzonePlatform::GetInstance() ?
+      // ui::OzonePlatform::GetInstance()->GetInputController() :
+      ui::CreateStubInputController().release();
+}
+
 InputDeviceSettingsImplOzone::InputDeviceSettingsImplOzone()
-    : input_controller_(
-          ui::OzonePlatform::GetInstance()->GetInputController()) {
+    : input_controller_(GetInputController()) {
   // Make sure the input controller does exist.
-  DCHECK(ui::OzonePlatform::GetInstance()->GetInputController());
+  DCHECK(input_controller_);
 }
 
 void InputDeviceSettingsImplOzone::TouchpadExists(