Reland "Propagate information about how ARC apps are launched"

ui/events/event_utils.cc

Index: ui/events/event_utils.cc
diff --git a/ui/events/event_utils.cc b/ui/events/event_utils.cc
index dd0da3424eddb5f122ca202ed567f6b833384470..0c9a54da36e309f5327fd3fb7c453101d029053b 100644
--- a/ui/events/event_utils.cc
+++ b/ui/events/event_utils.cc
@@ -19,7 +19,7 @@ int g_custom_event_types = ET_LAST;
 std::unique_ptr<Event> EventFromNative(const base::NativeEvent& native_event) {
   std::unique_ptr<Event> event;
   EventType type = EventTypeFromNative(native_event);
-  switch(type) {
+  switch (type) {
     case ET_KEY_PRESSED:
     case ET_KEY_RELEASED:
       event.reset(new KeyEvent(native_event));
@@ -130,4 +130,14 @@ void ComputeEventLatencyOS(const base::NativeEvent& native_event) {
   }
 }
 
+bool IsMouseEventFromFlags(int event_flags) {
+  return (event_flags & (EF_LEFT_MOUSE_BUTTON | EF_MIDDLE_MOUSE_BUTTON |
+                         EF_RIGHT_MOUSE_BUTTON | EF_BACK_MOUSE_BUTTON |
+                         EF_FORWARD_MOUSE_BUTTON)) != 0;
+}
+
+bool IsTouchEventFromFlags(int event_flags) {
+  return (event_flags & EF_FROM_TOUCH) != 0;
+}
+
 }  // namespace ui