GTK: Rounded corner on status bubble.

chrome/browser/gtk/status_bubble_gtk.h

 // Copyright (c) 2009 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_GTK_STATUS_BUBBLE_GTK_H_
 #define CHROME_BROWSER_GTK_STATUS_BUBBLE_GTK_H_
 
 #include <gtk/gtk.h>
 
 #include <string>
@@ skipping 51 matching lines @@
 
   // Sets an internal timer to hide the status bubble after a delay.
   void HideInASecond();
 
   // Builds the widgets, containers, etc.
   void InitWidgets();
 
   // Notification from the window that we should retheme ourself.
   void UserChangedTheme();
 
+  // Draws the inside border.
+  static gboolean OnExpose(GtkWidget* widget, GdkEventExpose* event,
+                           StatusBubbleGtk* bubble);
+
+  // When we have a new size, modify our widget shape.
+  static void OnSizeAllocate(GtkWidget* widget, GtkAllocation* allocation,
+                             StatusBubbleGtk* bubble);
+
   NotificationRegistrar registrar_;
 
   // Provides colors.
   GtkThemeProvider* theme_provider_;
 
-  // A GtkAlignment that is the child of |slide_widget_|.
+  // The toplevel event box.
   OwnedWidgetGtk container_;
 
   // The GtkLabel holding the text.
   GtkWidget* label_;
 
-  // The background event box. We keep this so we can change its background
-  // color.
-  GtkWidget* bg_box_;
-
   // The status text we want to display when there are no URLs to display.
   std::string status_text_;
 
   // The url we want to display when there is no status text to display.
   std::string url_text_;
 
+  // Color of the lighter border around the edge of the status bubble.
+  GdkColor border_color_;
+
   // A timer that hides our window after a delay.
   ScopedRunnableMethodFactory<StatusBubbleGtk> timer_factory_;
 };
 
 #endif  // CHROME_BROWSER_GTK_STATUS_BUBBLE_GTK_H_