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

ui/views/corewm/focus_controller.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/views/corewm/focus_controller.h"
 
 #include "base/auto_reset.h"
 #include "ui/aura/client/aura_constants.h"
 #include "ui/aura/env.h"
 #include "ui/views/corewm/focus_change_event.h"
@@ skipping 149 matching lines @@
 }
 
 ui::EventResult FocusController::OnScrollEvent(ui::ScrollEvent* event) {
   return ui::ER_UNHANDLED;
 }
 
 ui::EventResult FocusController::OnTouchEvent(ui::TouchEvent* event) {
   return ui::ER_UNHANDLED;
 }
 
-ui::EventResult FocusController::OnGestureEvent(ui::GestureEvent* event) {
+void FocusController::OnGestureEvent(ui::GestureEvent* event) {
   if (event->type() == ui::ET_GESTURE_BEGIN &&
       event->details().touch_points() == 1) {
     WindowFocusedFromInputEvent(static_cast<aura::Window*>(event->target()));
   }
-  return ui::ER_UNHANDLED;
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // FocusController, aura::WindowObserver implementation:
 
 void FocusController::OnWindowVisibilityChanging(aura::Window* window,
                                                  bool visible) {
   // We need to process this change in VisibilityChanging while the window is
   // still visible, since focus events cannot be dispatched to invisible
   // windows.
@@ skipping 75 matching lines @@
     SetFocusedWindow(rules_->GetNextFocusableWindow(window));
   }
 }
 
 void FocusController::WindowFocusedFromInputEvent(aura::Window* window) {
   FocusWindow(window, NULL);
 }
 
 }  // namespace corewm
 }  // namespace views