Move creation of SEH frame into a separate funcion....

base/message_loop.h

Index: base/message_loop.h
===================================================================
--- base/message_loop.h	(revision 29410)
+++ base/message_loop.h	(working copy)
@@ -303,9 +303,13 @@
   // A function to encapsulate all the exception handling capability in the
   // stacks around the running of a main message loop.  It will run the message
   // loop in a SEH try block or not depending on the set_SEH_restoration()
-  // flag.
+  // flag invoking respectively RunInternalInSEHFrame() or RunInternal().
   void RunHandler();
 
+#if defined(OS_WIN)
+  __declspec(noinline) void RunInternalInSEHFrame();
+#endif
+
   // A surrounding stack frame around the running of the message loop that
   // supports all saving and restoring of state, as is needed for any/all (ugly)
   // recursive calls.