Unify var tracking between webkit and the proxy.

webkit/plugins/ppapi/resource_tracker_unittest.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 "webkit/plugins/ppapi/ppapi_unittest.h"
 
 #include "base/memory/scoped_ptr.h"
 #include "ppapi/c/pp_var.h"
 #include "ppapi/c/ppp_instance.h"
 #include "third_party/npapi/bindings/npruntime.h"
@@ skipping 198 matching lines @@
   // This ObjectVar must be released before we do NPObjectToPPVar again
   // below so it gets freed and we get a new identifier.
   {
     scoped_refptr<NPObjectVar> check_object(NPObjectVar::FromPPVar(pp_object1));
     ASSERT_TRUE(check_object.get());
     EXPECT_EQ(instance()->pp_instance(), check_object->pp_instance());
     EXPECT_EQ(npobject.get(), check_object->np_object());
   }
 
   // Remove both of the refs we made above.
-  tracker().UnrefVar(static_cast<int32_t>(pp_object2.value.as_id));
-  tracker().UnrefVar(static_cast<int32_t>(pp_object1.value.as_id));
+  ::ppapi::VarTracker* var_tracker = tracker().GetVarTracker();
+  var_tracker->ReleaseVar(static_cast<int32_t>(pp_object2.value.as_id));
+  var_tracker->ReleaseVar(static_cast<int32_t>(pp_object1.value.as_id));
 
   // Releasing the resource should free the internal ref, and so making a new
   // one now should generate a new ID.
   PP_Var pp_object3 = NPObjectToPPVar(instance(), npobject.get());
   EXPECT_NE(pp_object1.value.as_id, pp_object3.value.as_id);
-  tracker().UnrefVar(static_cast<int32_t>(pp_object3.value.as_id));
+  var_tracker->ReleaseVar(static_cast<int32_t>(pp_object3.value.as_id));
 }
 
 }  // namespace ppapi
 }  // namespace webkit