mus: Change PointerWatcher to watch for all events.

content/browser/renderer_host/web_input_event_aura.cc

Index: content/browser/renderer_host/web_input_event_aura.cc
diff --git a/content/browser/renderer_host/web_input_event_aura.cc b/content/browser/renderer_host/web_input_event_aura.cc
index e0fa0a558468bffa400f23985c28521eb17112c7..9cca4b4aa37fd19aa9d2c06d6a550588122897c7 100644
--- a/content/browser/renderer_host/web_input_event_aura.cc
+++ b/content/browser/renderer_host/web_input_event_aura.cc
@@ -46,9 +46,10 @@ blink::WebPointerProperties::PointerType EventPointerTypeToWebPointerType(
       return blink::WebPointerProperties::PointerType::Pen;
     case ui::EventPointerType::POINTER_TYPE_TOUCH:
       return blink::WebPointerProperties::PointerType::Touch;
+    default:
+      NOTREACHED() << "Unexpected EventPointerType";
+      return blink::WebPointerProperties::PointerType::Unknown;
   }
-  NOTREACHED() << "Unexpected EventPointerType";
-  return blink::WebPointerProperties::PointerType::Unknown;
 }
 
 // Creates a WebGestureEvent from a ui::GestureEvent. Note that it does not