Proxy private UMA pepper interface for out-of-process and NaCl plugins.

ppapi/api/private/ppb_uma_private.idl

 /* Copyright (c) 2012 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.
  */
 
 /**
  * This file defines the <code>PPB_UMA_Private</code> interface.
  */
+
+[generate_thunk,thunk_include="ppapi/thunk/ppb_uma_singleton_api.h"]
+
 label Chrome {
-  M18 = 0.1
+  M33 = 0.2
 };
 
 /**
  * Contains functions for plugins to report UMA usage stats.
  */
 interface PPB_UMA_Private {
   /**
    * HistogramCustomTimes is a pointer to a function which records a time
    * sample given in milliseconds in the histogram given by |name|, possibly
    * creating the histogram if it does not exist.
    */
-  void HistogramCustomTimes([in] PP_Var name,
+  [singleton,api=PPB_UMA_Singleton_API]
+  void HistogramCustomTimes([in] PP_Instance instance,
+                            [in] PP_Var name,
                             [in] int64_t sample,
                             [in] int64_t min,
                             [in] int64_t max,
                             [in] uint32_t bucket_count);
 
   /**
    * HistogramCustomCounts is a pointer to a function which records a sample
    * in the histogram given by |name|, possibly creating the histogram if it
    * does not exist.
    */
-  void HistogramCustomCounts([in] PP_Var name,
+  [singleton,api=PPB_UMA_Singleton_API]
+  void HistogramCustomCounts([in] PP_Instance instance,
+                             [in] PP_Var name,
                              [in] int32_t sample,
                              [in] int32_t min,
                              [in] int32_t max,
                              [in] uint32_t bucket_count);
 
   /**
    * HistogramEnumeration is a pointer to a function which records a sample
    * in the histogram given by |name|, possibly creating the histogram if it
    * does not exist.  The sample represents a value in an enumeration bounded
    * by |boundary_value|, that is, sample < boundary_value always.
    */
-  void HistogramEnumeration([in] PP_Var name,
+  [singleton,api=PPB_UMA_Singleton_API]
+  void HistogramEnumeration([in] PP_Instance instance,
+                            [in] PP_Var name,
                             [in] int32_t sample,
                             [in] int32_t boundary_value);
 };