Quick reimplementation of StatusBubbleGtk to not suck as much.

chrome/browser/gtk/tab_contents_container_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_TAB_CONTENTS_CONTAINER_GTK_H_
 #define CHROME_BROWSER_GTK_TAB_CONTENTS_CONTAINER_GTK_H_
 
 #include <gtk/gtk.h>
 
 #include "base/basictypes.h"
 #include "chrome/common/notification_observer.h"
 
 class RenderViewHost;
+class StatusBubbleGtk;
 class TabContents;
 
 class TabContentsContainerGtk : public NotificationObserver {
  public:
-  TabContentsContainerGtk();
+  explicit TabContentsContainerGtk(StatusBubbleGtk* status_bubble);
   ~TabContentsContainerGtk();
 
   // Inserts our GtkWidget* hierarchy into a GtkBox managed by our owner.
   void AddContainerToBox(GtkWidget* widget);
 
   // Make the specified tab visible.
   void SetTabContents(TabContents* tab_contents);
   TabContents* GetTabContents() const { return tab_contents_; }
 
   // Remove the tab from the hierarchy.
@@ skipping 12 matching lines @@
   // Called when the RenderViewHost of the hosted TabContents has changed, e.g.
   // to show an interstitial page.
   void RenderViewHostChanged(RenderViewHost* old_host,
                              RenderViewHost* new_host);
 
   // Called when a TabContents is destroyed. This gives us a chance to clean
   // up our internal state if the TabContents is somehow destroyed before we
   // get notified.
   void TabContentsDestroyed(TabContents* contents);
 
+  // Implements our hack around a GtkFixed. The entire size of the GtkFixed is
+  // allocated to normal tab contents views, while the status bubble is
+  // informed of its parent and its parent's allocation (it makes a decision
+  // about layout later.)
+  static void OnFixedSizeAllocate(
+      GtkWidget* fixed,
+      GtkAllocation* allocation,
+      TabContentsContainerGtk* container);
+
   // The currently visible TabContents.
   TabContents* tab_contents_;
 
-  // We keep a GtkVBox which is inserted into this object's owner's GtkWidget
+  // The status bubble manager.  Always non-NULL.
+  StatusBubbleGtk* status_bubble_;
+
+  // We keep a GtkFixed which is inserted into this object's owner's GtkWidget
   // hierarchy. We then insert and remove TabContents GtkWidgets into this
-  // vbox_.
-  GtkWidget* vbox_;
+  // fixed_. This should not be a GtkVBox since there were errors with timing
+  // where the vbox was horizontally split with the top half displaying the
+  // current TabContents and bottom half displaying the loading page. In
+  // addition, we need to position the status bubble on top of the currently
+  // displayed TabContents so we put that in this part of the hierarchy.
+  GtkWidget* fixed_;
 
   DISALLOW_COPY_AND_ASSIGN(TabContentsContainerGtk);
 };
 
 #endif  // CHROME_BROWSER_GTK_TAB_CONTENTS_CONTAINER_GTK_H_