events: Change gesture-event handler in EventHandler to not return any values.

ui/base/events/event_dispatcher_unittest.cc

Index: ui/base/events/event_dispatcher_unittest.cc
diff --git a/ui/base/events/event_dispatcher_unittest.cc b/ui/base/events/event_dispatcher_unittest.cc
index 00eca7a56cbf7dd902273ef18536b20196e5c939..de6444dcfb3337b62bea2ebc22b236ebdf0ff909 100644
--- a/ui/base/events/event_dispatcher_unittest.cc
+++ b/ui/base/events/event_dispatcher_unittest.cc
@@ -100,9 +100,12 @@ class TestEventHandler : public EventHandler {
     return event_result_;
   }
 
-  virtual EventResult OnGestureEvent(GestureEvent* event) OVERRIDE {
+  virtual void OnGestureEvent(GestureEvent* event) OVERRIDE {
     ReceivedEvent(event);
-    return event_result_;
+    if (event_result_ & ui::ER_CONSUMED)
+      event->StopPropagation();
+    if (event_result_ & ui::ER_HANDLED)
+      event->SetHandled();
   }
 
   int id_;