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

ui/views/widget/widget_unittest.cc

Index: ui/views/widget/widget_unittest.cc
diff --git a/ui/views/widget/widget_unittest.cc b/ui/views/widget/widget_unittest.cc
index 4a1689afbc85855310dd99946f3ed388e189a925..0eade2bf2459e5674917aaff9954a91c6ac61a5d 100644
--- a/ui/views/widget/widget_unittest.cc
+++ b/ui/views/widget/widget_unittest.cc
@@ -127,12 +127,11 @@ class GestureCaptureView : public View {
 
  private:
   // Overridden from View:
-  virtual ui::EventResult OnGestureEvent(ui::GestureEvent* event) OVERRIDE {
+  virtual void OnGestureEvent(ui::GestureEvent* event) OVERRIDE {
     if (event->type() == ui::ET_GESTURE_BEGIN) {
       GetWidget()->SetCapture(this);
-      return ui::ER_CONSUMED;
+      event->StopPropagation();
     }
-    return ui::ER_UNHANDLED;
   }
 
   DISALLOW_COPY_AND_ASSIGN(GestureCaptureView);