events: Update scroll and touch handlers to not return EventResult.

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 bf5889145c709563545e0284d26848d5a8cb9812..1cc8ba67fc23475100c5679d4a2187ce690c03f4 100644
--- a/ui/base/events/event_dispatcher_unittest.cc
+++ b/ui/base/events/event_dispatcher_unittest.cc
@@ -90,18 +90,22 @@ class TestEventHandler : public EventHandler {
     return event_result_;
   }
 
-  virtual EventResult OnScrollEvent(ScrollEvent* event) OVERRIDE {
+  virtual void OnScrollEvent(ScrollEvent* event) OVERRIDE {
     ReceivedEvent(event);
-    return event_result_;
+    SetStatusOnEvent(event);
   }
 
-  virtual EventResult OnTouchEvent(TouchEvent* event) OVERRIDE {
+  virtual void OnTouchEvent(TouchEvent* event) OVERRIDE {
     ReceivedEvent(event);
-    return event_result_;
+    SetStatusOnEvent(event);
   }
 
   virtual void OnGestureEvent(GestureEvent* event) OVERRIDE {
     ReceivedEvent(event);
+    SetStatusOnEvent(event);
+  }
+
+  void SetStatusOnEvent(Event* event) {
     if (event_result_ & ui::ER_CONSUMED)
       event->StopPropagation();
     if (event_result_ & ui::ER_HANDLED)