Fix TAP_DOWN gesture event:

content/browser/renderer_host/render_widget_host_view_win.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 "content/browser/renderer_host/render_widget_host_view_win.h"
 
 #include <algorithm>
 #include <peninputpanel_i.c>
 
 #include "base/bind.h"
@@ skipping 360 matching lines @@
     case ui::ET_GESTURE_DOUBLE_TAP:
       return WebKit::WebGestureEvent::GestureDoubleTap;
     case ui::ET_GESTURE_LONG_PRESS:
       return WebKit::WebGestureEvent::GestureLongPress;
     case ui::ET_GESTURE_PINCH_BEGIN:
       return WebKit::WebGestureEvent::GesturePinchBegin;
     case ui::ET_GESTURE_PINCH_END:
       return WebKit::WebGestureEvent::GesturePinchEnd;
     case ui::ET_GESTURE_PINCH_UPDATE:
       return WebKit::WebGestureEvent::GesturePinchUpdate;
-    case ui::ET_GESTURE_TAP_UP:
+    case ui::ET_GESTURE_BEGIN:
+      return WebKit::WebGestureEvent::Undefined;
+    case ui::ET_GESTURE_END:
       return WebKit::WebGestureEvent::Undefined;
     case ui::ET_GESTURE_MULTIFINGER_SWIPE:
       return WebKit::WebGestureEvent::Undefined;
     case ui::ET_GESTURE_TWO_FINGER_TAP:
       return WebKit::WebGestureEvent::Undefined;
     case ui::ET_TOUCH_PRESSED:
       return WebKit::WebInputEvent::TouchStart;
     case ui::ET_TOUCH_MOVED:
     case ui::ET_TOUCH_STATIONARY:
       return WebKit::WebInputEvent::TouchMove;
@@ skipping 2644 matching lines @@
 void RenderWidgetHostViewWin::ResetPointerDownContext() {
   // If the default focus on the page is on an edit field and we did not
   // receive a focus change in the context of a pointer down message, it means
   // that the pointer down message occurred on the edit field and we should
   // display the on screen keyboard
   if (!received_focus_change_after_pointer_down_ && virtual_keyboard_)
     DisplayOnScreenKeyboardIfNeeded();
   received_focus_change_after_pointer_down_ = false;
   pointer_down_context_ = false;
 }