Rename nacl::RefCounted to nacl::RefCountedThreadSafe

ppapi/native_client/src/shared/ppapi_proxy/proxy_var.h

 // 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.
 
 #ifndef NATIVE_CLIENT_SRC_SHARED_PPAPI_PROXY_PROXY_VAR_H_
 #define NATIVE_CLIENT_SRC_SHARED_PPAPI_PROXY_PROXY_VAR_H_
 
 #include "native_client/src/include/nacl_macros.h"
 #include "native_client/src/include/nacl_memory.h"
 #include "native_client/src/include/ref_counted.h"
 #include "ppapi/c/pp_var.h"
 
 namespace ppapi_proxy {
 
 // Complex PP_Var types (such as strings) have a copy of the variant's contents
 // cached by the proxy.  This is done so that PP_Vars can be reference counted,
 // and their contents accessed "locally" by NaCl modules without having to
 // perform a complete round trip to the browser for each such operation.
 //
 // Note: this class is intended to be sub-classed to handle specific content
 // types such as strings, dictionaries, or arrays.
-class ProxyVar : public nacl::RefCounted<ProxyVar> {
+class ProxyVar : public nacl::RefCountedThreadSafe<ProxyVar> {
  public:
   // The type of this cached object.  Simple types (int, bool, etc.) are not
   // cached.
   PP_VarType pp_var_type() const { return pp_var_type_; }
 
   // The assigned unique id associated with this object.  Use this as the id
   // for the corresponding PP_Var.
   int64_t id() const { return id_; }
 
  protected:
   // Initialize this instance to represent a PP_Var of type |pp_var_type|.
   // Generates a unique id for this instance, and sets the reference count to 1.
   // Subclasses should implement ctors that handle specific content data.
   explicit ProxyVar(PP_VarType pp_var_type);
 
   virtual ~ProxyVar() {}
 
  private:
-  friend class nacl::RefCounted<ProxyVar>;
+  friend class nacl::RefCountedThreadSafe<ProxyVar>;
+
   PP_VarType pp_var_type_;
   int64_t id_;
 
+  // A counter for unique ids.
+  static int64_t unique_var_id;
+
   ProxyVar();  // Not implemented - do not use.
   NACL_DISALLOW_COPY_AND_ASSIGN(ProxyVar);
-
-  // A counter for unique ids.
-  static int64_t unique_var_id;
 };
 
 typedef scoped_refptr<ProxyVar> SharedProxyVar;
 
 }  // namespace ppapi_proxy
 
 #endif  // NATIVE_CLIENT_SRC_SHARED_PPAPI_PROXY_PROXY_VAR_H_