Make some of the pnacl_irt_shim data members local.

ppapi/generators/idl_gen_wrapper.py

 # Copyright (c) 2012 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.
 
 """Base class for generating wrapper functions for PPAPI methods.
 """
 
 from datetime import datetime
 import os
 import sys
@@ skipping 306 matching lines @@
     return ''.join(result)
 
 
   def GenerateWrapperInterfaces(self, iface_releases, out):
     for iface in iface_releases:
       if not iface.needs_wrapping:
         out.Write('/* Not generating wrapper interface for %s */\n\n' %
                   iface.struct_name)
         continue
 
-      out.Write('struct %s %s_Wrappers_%s = {\n' % (iface.struct_name,
-                                                    self.wrapper_prefix,
-                                                    iface.struct_name))
+      out.Write('static struct %s %s_Wrappers_%s = {\n' % (iface.struct_name,
+                                                           self.wrapper_prefix,
+                                                           iface.struct_name))
       methods = []
       for member in iface.node.GetListOf('Member'):
         # Skip the method if it's not actually in the release.
         if not member.InReleases([iface.release]):
           continue
         prefix = self.WrapperMethodPrefix(iface.node, iface.release)
         # Casts are necessary for the PPB_* wrappers because we must
         # cast away "__attribute__((pnaclcall))".  The PPP_* wrappers
         # must match the default calling conventions and so don't have
         # the attribute, so omitting casts for them provides a little
@@ skipping 100 matching lines @@
     self.GenerateWrapperInterfaces(iface_releases, out)
 
     # Generate a table of the wrapped interface structs that can be looked up.
     self.GenerateWrapperInfoAndCollection(iface_releases, out)
 
     # Write out the IDL-invariant functions.
     self.GenerateFixedFunctions(out)
 
     out.Close()
     return 0