GTK Themes: Theme the popup notification.

chrome/browser/tab_contents/tab_contents_view_gtk.h

Index: chrome/browser/tab_contents/tab_contents_view_gtk.h
diff --git a/chrome/browser/tab_contents/tab_contents_view_gtk.h b/chrome/browser/tab_contents/tab_contents_view_gtk.h
index 897d2b73940783f4cfece1ff33ce0b3dcb1bf4f9..aa440d9002931a4c6ecbdf852a546b1228eace35 100644
--- a/chrome/browser/tab_contents/tab_contents_view_gtk.h
+++ b/chrome/browser/tab_contents/tab_contents_view_gtk.h
@@ -18,6 +18,7 @@
 
 class BlockedPopupContainerViewGtk;
 class ConstrainedWindowGtk;
+class GtkThemeProperties;
 class RenderViewContextMenuGtk;
 class SadTabGtk;
 class WebDragDest;
@@ -85,6 +86,9 @@ class TabContentsViewGtk : public TabContentsView,
   // Tell webkit the drag is over.
   void DragEnded();
 
+  // Called when the theme is changed.
+  void UserChangedTheme(GtkThemeProperties* properties);
+
   // We keep track of the timestamp of the latest mousedown event.
   static gboolean OnMouseDown(GtkWidget* widget,
                               GdkEventButton* event, TabContentsViewGtk* view);