Reland http://codereview.chromium.org/7292033

ppapi/c/ppb_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 PPAPI_C_PPB_VAR_H_
 #define PPAPI_C_PPB_VAR_H_
 
 #include "ppapi/c/pp_bool.h"
 #include "ppapi/c/pp_macros.h"
 #include "ppapi/c/pp_module.h"
 #include "ppapi/c/pp_stdint.h"
 #include "ppapi/c/pp_var.h"
 
 #define PPB_VAR_INTERFACE_0_5 "PPB_Var;0.5"
-#define PPB_VAR_INTERFACE PPB_VAR_INTERFACE_0_5
+#define PPB_VAR_INTERFACE_1_0 "PPB_Var;1.0"
+#define PPB_VAR_INTERFACE PPB_VAR_INTERFACE_1_0
 
 /**
  * @file
  * This file defines the <code>PPB_Var</code> struct.
  */
 
 /**
  * @addtogroup Interfaces
  * @{
  */
@@ skipping 69 matching lines @@
    * @return A char* encoded in UTF-8.
    */
   const char* (*VarToUtf8)(struct PP_Var var, uint32_t* len);
 };
 /**
  * @}
  */
 
 #endif  /* PPAPI_C_PPB_VAR_H_ */