ui: Add default implementations for EventHandler interface.

This allows getting rid of a whole bunch of noop implementations, and makes
it easier to add new event types to be dispatched through the EventDispatcher
to EventHandlers.

BUG=159632

Review URL: https://codereview.chromium.org/11348145

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@168817 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 0 insertions, 12 deletions

diff --git a/ash/wm/app_list_controller.cc b/ash/wm/app_list_controller.cc
index ff50653..965210d 100644
--- a/ash/wm/app_list_controller.cc
+++ b/ash/wm/app_list_controller.cc
@@ -246,24 +246,12 @@ void AppListController::UpdateBounds() {
 ////////////////////////////////////////////////////////////////////////////////
 // AppListController, aura::EventFilter implementation:
 
-ui::EventResult AppListController::OnKeyEvent(ui::KeyEvent* event) {
-  return ui::ER_UNHANDLED;
-}
-
 ui::EventResult AppListController::OnMouseEvent(ui::MouseEvent* event) {
   if (event->type() == ui::ET_MOUSE_PRESSED)
     ProcessLocatedEvent(event);
   return ui::ER_UNHANDLED;
 }
 
-ui::EventResult AppListController::OnScrollEvent(ui::ScrollEvent* event) {
-  return ui::ER_UNHANDLED;
-}
-
-ui::EventResult AppListController::OnTouchEvent(ui::TouchEvent* event) {
-  return ui::ER_UNHANDLED;
-}
-
 ui::EventResult AppListController::OnGestureEvent(ui::GestureEvent* event) {
   if (event->type() == ui::ET_GESTURE_TAP)
     ProcessLocatedEvent(event);