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

chrome/browser/ui/views/location_bar/zoom_view.cc

Index: chrome/browser/ui/views/location_bar/zoom_view.cc
diff --git a/chrome/browser/ui/views/location_bar/zoom_view.cc b/chrome/browser/ui/views/location_bar/zoom_view.cc
index 44ccf1228e41b46d19544296c33b7ee9b7dcb02e..78be1e573e3c8dc8e63a0970f9939f48993fe692 100644
--- a/chrome/browser/ui/views/location_bar/zoom_view.cc
+++ b/chrome/browser/ui/views/location_bar/zoom_view.cc
@@ -73,12 +73,11 @@ bool ZoomView::OnKeyPressed(const ui::KeyEvent& event) {
   return true;
 }
 
-ui::EventResult ZoomView::OnGestureEvent(ui::GestureEvent* event) {
-  if (event->type() != ui::ET_GESTURE_TAP)
-    return ui::ER_UNHANDLED;
-
-  ActivateBubble();
-  return ui::ER_CONSUMED;
+void ZoomView::OnGestureEvent(ui::GestureEvent* event) {
+  if (event->type() == ui::ET_GESTURE_TAP) {
+    ActivateBubble();
+    event->SetHandled();
+  }
 }
 
 int ZoomView::GetBuiltInHorizontalPadding() const {