[gtk] When mouse is inside of an auto-closing zoom bubble and the zoom is

chrome/browser/ui/gtk/zoom_bubble_gtk.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 CHROME_BROWSER_UI_GTK_ZOOM_BUBBLE_GTK_H_
 #define CHROME_BROWSER_UI_GTK_ZOOM_BUBBLE_GTK_H_
 
 #include "base/basictypes.h"
 #include "base/timer.h"
 #include "chrome/browser/ui/gtk/bubble/bubble_gtk.h"
@@ skipping 37 matching lines @@
 
   // Fired when the mouse enters or leaves the widget.
   CHROMEGTK_CALLBACK_1(ZoomBubbleGtk, gboolean, OnMouseEnter,
                        GdkEventCrossing*);
   CHROMEGTK_CALLBACK_1(ZoomBubbleGtk, gboolean, OnMouseLeave,
                        GdkEventCrossing*);
 
   // Whether the currently displayed bubble will automatically close.
   bool auto_close_;
 
+  // Whether the mouse is currently inside the bubble.
+  bool mouse_inside_;
+
   // Timer used to close the bubble when |auto_close_| is true.
   base::OneShotTimer<ZoomBubbleGtk> timer_;
 
   // The TabContents for the page whose zoom has changed.
   TabContents* tab_contents_;
 
   // An event box that wraps the content of the bubble.
   GtkWidget* event_box_;
 
   // Label showing zoom percentage.
   GtkWidget* label_;
 
   // The BubbleGtk object containing the zoom bubble's content.
   BubbleGtk* bubble_;
 
   DISALLOW_COPY_AND_ASSIGN(ZoomBubbleGtk);
 };
 
 #endif  // CHROME_BROWSER_UI_GTK_ZOOM_BUBBLE_GTK_H_