events: Get rid of GestureStatus in favour of EventResult.

ui/aura/shared/compound_event_filter.cc

Index: ui/aura/shared/compound_event_filter.cc
diff --git a/ui/aura/shared/compound_event_filter.cc b/ui/aura/shared/compound_event_filter.cc
index 9ace7c62e8b4ee828bd1c884c8fb6a5db64240b0..ca2343f461ed157b0b4269b0ca13819f83c99356 100644
--- a/ui/aura/shared/compound_event_filter.cc
+++ b/ui/aura/shared/compound_event_filter.cc
@@ -133,14 +133,14 @@ ui::TouchStatus CompoundEventFilter::PreHandleTouchEvent(
   return status;
 }
 
-ui::GestureStatus CompoundEventFilter::PreHandleGestureEvent(
+ui::EventResult CompoundEventFilter::PreHandleGestureEvent(
     Window* target,
     ui::GestureEvent* event) {
-  ui::GestureStatus status = ui::GESTURE_STATUS_UNKNOWN;
+  ui::EventResult status = ui::ER_UNHANDLED;
   if (filters_.might_have_observers()) {
     ObserverListBase<EventFilter>::Iterator it(filters_);
     EventFilter* filter;
-    while (status == ui::GESTURE_STATUS_UNKNOWN &&
+    while (status == ui::ER_UNHANDLED &&
         (filter = it.GetNext()) != NULL) {
       status = filter->PreHandleGestureEvent(target, event);
     }
@@ -148,7 +148,7 @@ ui::GestureStatus CompoundEventFilter::PreHandleGestureEvent(
 
   if (event->type() == ui::ET_GESTURE_BEGIN &&
       event->details().touch_points() == 1 &&
-      status != ui::GESTURE_STATUS_CONSUMED &&
+      status != ui::ER_CONSUMED &&
       target->GetRootWindow() &&
       GetActiveWindow(target) != target) {
     target->GetFocusManager()->SetFocusedWindow(