Test + Fix for GTK window resizing when using toolkit views.

views/widget/widget_gtk.h

Index: views/widget/widget_gtk.h
diff --git a/views/widget/widget_gtk.h b/views/widget/widget_gtk.h
index 7e1bdd14c84968f42d3ff420ffae2477b8c49985..7a2820e735c7f138b8358fdd391d0ea74c60f435 100644
--- a/views/widget/widget_gtk.h
+++ b/views/widget/widget_gtk.h
@@ -149,6 +149,11 @@ class WidgetGtk
   // Returns the RootView for |widget|.
   static RootView* GetRootViewForWidget(GtkWidget* widget);
 
+  // Gets the requested size of the widget.  This can be the size
+  // stored in properties for a GtkViewsFixed, or in the requisitioned
+  // size of other kinds of widgets.
+  void GetRequestedSize(gfx::Size* out) const;
+
   // Overriden from ActiveWindowWatcherX::Observer.
   virtual void ActiveWindowChanged(GdkWindow* active_window);