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

BUG=317833

Review URL: https://codereview.chromium.org/61643022

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@246962 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 115 insertions, 0 deletions

diff --git a/ppapi/cpp/private/uma_private.cc b/ppapi/cpp/private/uma_private.cc
new file mode 100644
index 0000000..ed8b6e9
--- /dev/null
+++ b/ppapi/cpp/private/uma_private.cc
@@ -0,0 +1,70 @@
+// Copyright 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.
+
+#include "ppapi/cpp/private/uma_private.h"
+
+#include "ppapi/c/pp_errors.h"
+#include "ppapi/c/private/ppb_uma_private.h"
+#include "ppapi/cpp/module_impl.h"
+#include "ppapi/cpp/var.h"
+
+namespace pp {
+
+namespace {
+
+template <> const char* interface_name<PPB_UMA_Private_0_2>() {
+  return PPB_UMA_PRIVATE_INTERFACE_0_2;
+}
+
+}  // namespace
+
+UMAPrivate::UMAPrivate() {
+}
+
+UMAPrivate::UMAPrivate(
+    const InstanceHandle& instance) : instance_(instance.pp_instance()) {
+}
+
+UMAPrivate::~UMAPrivate() {
+}
+
+bool UMAPrivate::IsAvailable() {
+  return has_interface<PPB_UMA_Private_0_2>();
+}
+
+void UMAPrivate::HistogramCustomTimes(const std::string& name,
+                                      int64_t sample,
+                                      int64_t min,
+                                      int64_t max,
+                                      uint32_t bucket_count) {
+  if (!IsAvailable())
+    return;
+  get_interface<PPB_UMA_Private_0_2>()->
+      HistogramCustomTimes(instance_, pp::Var(name).pp_var(),
+                           sample, min, max, bucket_count);
+}
+
+void UMAPrivate::HistogramCustomCounts(const std::string& name,
+                                       int32_t sample,
+                                       int32_t min,
+                                       int32_t max,
+                                       uint32_t bucket_count) {
+  if (!IsAvailable())
+    return;
+  get_interface<PPB_UMA_Private_0_2>()->
+      HistogramCustomCounts(instance_, pp::Var(name).pp_var(),
+                            sample, min, max, bucket_count);
+}
+
+void UMAPrivate::HistogramEnumeration(const std::string& name,
+                                      int32_t sample,
+                                      int32_t boundary_value) {
+  if (!IsAvailable())
+    return;
+  get_interface<PPB_UMA_Private_0_2>()->
+      HistogramEnumeration(instance_, pp::Var(name).pp_var(),
+                           sample, boundary_value);
+}
+
+}  // namespace pp
diff --git a/ppapi/cpp/private/uma_private.h b/ppapi/cpp/private/uma_private.h
new file mode 100644
index 0000000..23de400
--- /dev/null
+++ b/ppapi/cpp/private/uma_private.h
@@ -0,0 +1,45 @@
+// Copyright 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_