Add a new globals object for PPAPI tracking information.

ppapi/shared_impl/url_util_impl.cc

 // Copyright (c) 2011 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.
 
 #include "ppapi/shared_impl/url_util_impl.h"
 
 #include "googleurl/src/gurl.h"
+#include "ppapi/shared_impl/ppapi_globals.h"
 #include "ppapi/shared_impl/tracker_base.h"
 #include "ppapi/shared_impl/var.h"
 #include "ppapi/shared_impl/var_tracker.h"
 
 namespace ppapi {
 
 namespace {
 
 void ConvertComponent(const url_parse::Component& input,
                       PP_URLComponent_Dev* output) {
@@ skipping 81 matching lines @@
     const PP_Var& url,
     PP_URLComponents_Dev* components) {
   if (!components)
     return url;  // Common case - plugin doesn't care about parsing.
 
   StringVar* url_string = StringVar::FromPPVar(url);
   if (!url_string)
     return url;
 
   PP_Var result = Canonicalize(url, components);
-  TrackerBase::Get()->GetVarTracker()->ReleaseVar(url);
+  PpapiGlobals::Get()->GetVarTracker()->ReleaseVar(url);
   return result;
 }
 
 }  // namespace ppapi