Fix TAP_DOWN gesture event:

ui/views/widget/widget.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/widget/widget.h"
 
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "base/utf_string_conversions.h"
 #include "ui/base/hit_test.h"
@@ skipping 1098 matching lines @@
 ui::GestureStatus Widget::OnGestureEvent(const GestureEvent& event) {
   ScopedEvent scoped(this, event);
   switch (event.type()) {
     case ui::ET_GESTURE_TAP_DOWN:
       is_touch_down_ = true;
       // We explicitly don't capture here. Not capturing enables multiple
       // widgets to get tap events at the same time. Views (such as tab
       // dragging) may explicitly capture.
       break;
 
-    case ui::ET_GESTURE_TAP_UP:
+    case ui::ET_GESTURE_END:
       is_touch_down_ = false;

[sadrul, 2012/06/06 19:51:14]

Oh. This is wrong. This should check for delta_x() == 1 to make sure releasing
the second/third finger doesn't reset this.

[varunjain, 2012/06/06 21:52:53]

Done.

       ReleaseCapture();
       break;
 
     default:
       break;
   }
   return GetRootView()->OnGestureEvent(event);
 }
 
 bool Widget::ExecuteCommand(int command_id) {
@@ skipping 155 matching lines @@
 
 ////////////////////////////////////////////////////////////////////////////////
 // internal::NativeWidgetPrivate, NativeWidget implementation:
 
 internal::NativeWidgetPrivate* NativeWidgetPrivate::AsNativeWidgetPrivate() {
   return this;
 }
 
 }  // namespace internal
 }  // namespace views