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

ppapi/thunk/ppb_uma_singleton_api.h

Index: ppapi/thunk/ppb_uma_singleton_api.h
diff --git a/ppapi/thunk/ppb_uma_singleton_api.h b/ppapi/thunk/ppb_uma_singleton_api.h
new file mode 100644
index 0000000000000000000000000000000000000000..0cf14617b41d8e79fe18c694872c5ca9e679f879
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+++ b/ppapi/thunk/ppb_uma_singleton_api.h
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+// Copyright (c) 2013 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_THUNK_PPB_UMA_PRIVATE_API_H_
+#define PPAPI_THUNK_PPB_UMA_PRIVATE_API_H_
+
+#include "ppapi/shared_impl/singleton_resource_id.h"
+#include "ppapi/shared_impl/tracked_callback.h"
+#include "ppapi/thunk/ppapi_thunk_export.h"
+
+namespace ppapi {
+
+namespace thunk {
+
+class PPAPI_THUNK_EXPORT PPB_UMA_Singleton_API {
+ public:
+  virtual ~PPB_UMA_Singleton_API() {}
+
+  virtual void HistogramCustomTimes(PP_Instance instance,
+                                    struct PP_Var name,
+                                    int64_t sample,
+                                    int64_t min,
+                                    int64_t max,
+                                    uint32_t bucket_count) = 0;
+
+  virtual void HistogramCustomCounts(PP_Instance instance,
+                                     struct PP_Var name,
+                                     int32_t sample,
+                                     int32_t min,
+                                     int32_t max,
+                                     uint32_t bucket_count) = 0;
+
+  virtual void HistogramEnumeration(PP_Instance instance,
+                                    struct PP_Var name,
+                                    int32_t sample,
+                                    int32_t boundary_value) = 0;
+
+  static const SingletonResourceID kSingletonResourceID = UMA_SINGLETON_ID;
+};
+
+}  // namespace thunk
+}  // namespace ppapi
+
+#endif  // PPAPI_THUNK_PPB_UMA_PRIVATE_API_H_