gtk: Hide the status bubble when the mouse nears it.

chrome/browser/gtk/rounded_window.h

Index: chrome/browser/gtk/rounded_window.h
diff --git a/chrome/browser/gtk/rounded_window.h b/chrome/browser/gtk/rounded_window.h
index 46287ff8579c2b04e4ab13747b627740f0160f5c..95f91d9ac232e0ef7a9375aec4f75dfae9d94082 100644
--- a/chrome/browser/gtk/rounded_window.h
+++ b/chrome/browser/gtk/rounded_window.h
@@ -39,13 +39,21 @@ void ActAsRoundedWindow(
     GtkWidget* widget, const GdkColor& color, int corner_size,
     int rounded_edges, int drawn_borders);
 
-// Undo most of the actions of ActAsRoundedWindow.
+// Undoes most of the actions of ActAsRoundedWindow().
 void StopActingAsRoundedWindow(GtkWidget* widget);
 
-// Sets the color of the border on a widget that was returned from
-// ActAsRoundedWindow().
+// Sets edge and border properties on a widget that has already been configured
+// with ActAsRoundedWindow().
+void SetRoundedWindowEdgesAndBorders(GtkWidget* widget,
+                                     int corner_size,
+                                     int rounded_edges,
+                                     int drawn_borders);
+
+// Sets the color of the border on a widget that has already been configured
+// with ActAsRoundedWindow().
 void SetRoundedWindowBorderColor(GtkWidget* widget, GdkColor color);
 
+
 }  // namespace gtk_util
 
 #endif  // CHROME_BROWSER_GTK_ROUNDED_WINDOW_H_