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

ppapi/cpp/private/uma_private.h

Index: ppapi/cpp/private/uma_private.h
diff --git a/ppapi/cpp/private/uma_private.h b/ppapi/cpp/private/uma_private.h
new file mode 100644
index 0000000000000000000000000000000000000000..30ca159a6594782b7254f626756e52ba88392837
--- /dev/null
+++ b/ppapi/cpp/private/uma_private.h
@@ -0,0 +1,45 @@
+// Copyright (c) 2014 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_CPP_PRIVATE_UMA_PRIVATE_H_
+#define PPAPI_CPP_PRIVATE_UMA_PRIVATE_H_
+
+#include <string>
+
+#include "ppapi/c/pp_instance.h"
+#include "ppapi/cpp/instance_handle.h"
+
+namespace pp {
+
+class UMAPrivate {
+ public:
+  UMAPrivate();
+  explicit UMAPrivate(const InstanceHandle& instance);
+  ~UMAPrivate();
+
+  static bool IsAvailable();
+
+  void HistogramCustomTimes(const std::string& name,
+                            int64_t sample,
+                            int64_t min,
+                            int64_t max,
+                            uint32_t bucket_count);
+
+  void HistogramCustomCounts(const std::string& name,
+                             int32_t sample,
+                             int32_t min,
+                             int32_t max,
+                             uint32_t bucket_count);
+
+  void HistogramEnumeration(const std::string& name,
+                            int32_t sample,
+                            int32_t boundary_value);
+
+ private:
+  PP_Instance instance_;
+};
+
+}  // namespace pp
+
+#endif  // PPAPI_CPP_PRIVATE_UMA_PRIVATE_H_