Revert 121901 - PPAPI: Add unlocking for PPP calls and callbacks. Add more locking.

ppapi/proxy/ppp_messaging_proxy.cc

Index: ppapi/proxy/ppp_messaging_proxy.cc
===================================================================
--- ppapi/proxy/ppp_messaging_proxy.cc	(revision 121902)
+++ ppapi/proxy/ppp_messaging_proxy.cc	(working copy)
@@ -1,4 +1,4 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// 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.
 
@@ -13,7 +13,6 @@
 #include "ppapi/proxy/ppapi_messages.h"
 #include "ppapi/proxy/serialized_var.h"
 #include "ppapi/shared_impl/ppapi_globals.h"
-#include "ppapi/shared_impl/proxy_lock.h"
 #include "ppapi/shared_impl/var_tracker.h"
 
 namespace ppapi {
@@ -86,9 +85,7 @@
   // SerializedVarReceiveInput will decrement the reference count, but we want
   // to give the recipient a reference.
   PpapiGlobals::Get()->GetVarTracker()->AddRefVar(received_var);
-  CallWhileUnlocked(ppp_messaging_impl_->HandleMessage,
-                    instance,
-                    received_var);
+  ppp_messaging_impl_->HandleMessage(instance, received_var);
 }
 
 }  // namespace proxy