Implementing the dispatch of the swipe gesture for one-finger touch swipes.

ash/wm/gestures/overview_gesture_handler.cc

 // Copyright 2013 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 "ash/wm/gestures/overview_gesture_handler.h"
 
 #include "ash/metrics/user_metrics_recorder.h"
 #include "ash/shell.h"
 #include "ash/wm/coordinate_conversion.h"
 #include "ash/wm/overview/window_selector_controller.h"
@@ skipping 74 matching lines @@
     gfx::Point point_in_screen(event.location());
     aura::Window* target = static_cast<aura::Window*>(event.target());
     wm::ConvertPointToScreen(target, &point_in_screen);
     in_top_bezel_gesture_ = !Shell::GetScreen()->GetDisplayNearestPoint(
         point_in_screen).bounds().y() + kTopBezelExtraPixels >
             point_in_screen.y();
     return false;
   }
 
   if (!in_top_bezel_gesture_ ||
-      event.type() != ui::ET_GESTURE_MULTIFINGER_SWIPE ||
+      event.type() != ui::ET_GESTURE_SWIPE ||
       !event.details().swipe_down() ||
       event.details().touch_points() != 3) {
     return false;
   }
 
   Shell* shell = Shell::GetInstance();
   shell->metrics()->RecordUserMetricsAction(UMA_GESTURE_OVERVIEW);
   shell->window_selector_controller()->ToggleOverview();
   return true;
 }
 
 }  // namespace ash