Merge 88897 - Disables tooltips if we can't create the tooltip window. I still don't

views/widget/native_widget_win.h

Index: views/widget/native_widget_win.h
===================================================================
--- views/widget/native_widget_win.h	(revision 90643)
+++ views/widget/native_widget_win.h	(working copy)
@@ -399,7 +399,8 @@
   // Executes the specified SC_command.
   void ExecuteSystemMenuCommand(int command);
 
-  // The TooltipManager.
+  // The TooltipManager. This is NULL if there is a problem creating the
+  // underlying tooltip window.
   // WARNING: RootView's destructor calls into the TooltipManager. As such, this
   // must be destroyed AFTER root_view_.
   scoped_ptr<TooltipManagerWin> tooltip_manager_;