Add trace event Pepper API

ppapi/thunk/ppb_trace_event_thunk.cc

Index: ppapi/thunk/ppb_trace_event_thunk.cc
diff --git a/ppapi/thunk/ppb_trace_event_thunk.cc b/ppapi/thunk/ppb_trace_event_thunk.cc
new file mode 100644
index 0000000000000000000000000000000000000000..e06dfa04585811f36b864c9512da42166a8b6df2
--- /dev/null
+++ b/ppapi/thunk/ppb_trace_event_thunk.cc
@@ -0,0 +1,61 @@
+// 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.
+
+#include "ppapi/c/dev/ppb_trace_event_dev.h"
+#include "ppapi/shared_impl/ppb_trace_event_shared.h"
+#include "ppapi/thunk/enter.h"
+#include "ppapi/thunk/ppb_instance_api.h"
+#include "ppapi/thunk/thunk.h"
+
+namespace ppapi {
+namespace thunk {
+
+namespace {
+
+void* GetCategoryEnabled(const char* category_name) {
+  return ppapi::PPB_Trace_Event_Shared::GetCategoryEnabled(category_name);
+}
+
+int32_t AddTraceEvent(int8_t phase,
+                      const void* category_enabled,
+                      const char* name,
+                      uint64_t id,
+                      uint32_t num_args,
+                      const char* arg_names[],
+                      const uint8_t arg_types[],
+                      const uint64_t arg_values[],
+                      int32_t threshold_begin_id,
+                      int64_t threshold,
+                      uint8_t flags) {
+  return ppapi::PPB_Trace_Event_Shared::AddTraceEvent(phase,
+                                                   category_enabled,
+                                                   name,
+                                                   id,
+                                                   num_args,
+                                                   arg_names,
+                                                   arg_types,
+                                                   arg_values,
+                                                   threshold_begin_id,
+                                                   threshold,
+                                                   flags);
+}
+
+void SetThreadName(const char* thread_name) {
+  return ppapi::PPB_Trace_Event_Shared::SetThreadName(thread_name);
+}
+
+const PPB_Trace_Event_Dev g_ppb_trace_event_thunk = {
+  &GetCategoryEnabled,
+  &AddTraceEvent,
+  &SetThreadName,
+};
+
+}  // namespace
+
+const PPB_Trace_Event_Dev_0_1* GetPPB_Trace_Event_Dev_0_1_Thunk() {
+  return &g_ppb_trace_event_thunk;
+}
+
+}  // namespace thunk
+}  // namespace ppapi