rAc: Enforce a 3 second grace period for generated card bubble.

ui/views/widget/widget.h

 // 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.
 
 #ifndef UI_VIEWS_WIDGET_WIDGET_H_
 #define UI_VIEWS_WIDGET_WIDGET_H_
 
 #include <set>
 #include <stack>
 #include <vector>
@@ skipping 613 matching lines @@
   NativeWidget* native_widget();
 
   internal::NativeWidgetPrivate* native_widget_private() {
     return native_widget_;
   }
   const internal::NativeWidgetPrivate* native_widget_private() const {
     return native_widget_;
   }
 
   // Sets capture to the specified view. This makes it so that all mouse, touch
-  // and gesture events go to |view|.
+  // and gesture events go to |view|. |view| may be NULL, in which case the
+  // widget will still capture events but they will be handled by the view
+  // that would normally handle them.
   void SetCapture(View* view);
 
   // Releases capture.
   void ReleaseCapture();
 
   // Returns true if the widget has capture.
   bool HasCapture();
 
   // Invoked when the tooltip text changes for the specified views.
   void TooltipTextChanged(View* view);
@@ skipping 200 matching lines @@
   // If true, a touch device is currently down.
   bool is_touch_down_;
 
   // TODO(beng): Remove NativeWidgetGtk's dependence on these:
   // The following are used to detect duplicate mouse move events and not
   // deliver them. Displaying a window may result in the system generating
   // duplicate move events even though the mouse hasn't moved.
   bool last_mouse_event_was_move_;
   gfx::Point last_mouse_event_position_;
 
+  // True if event capture was set via SetCapture(). Reset to false when
+  // ReleaseCapture() is invoked.
+  bool capture_explicitly_set_;
+
   // See description in GetRootLayers().
   std::vector<ui::Layer*> root_layers_;
 
   // Is |root_layers_| out of date?
   bool root_layers_dirty_;
 
   // True when window movement via mouse interaction with the frame should be
   // disabled.
   bool movement_disabled_;
 
   DISALLOW_COPY_AND_ASSIGN(Widget);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_WIDGET_WIDGET_H_