Add trace event Pepper API

ppapi/shared_impl/ppb_instance_shared.h

 // Copyright (c) 2011 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_SHARED_IMPL_PPB_INSTANCE_SHARED_H_
 #define PPAPI_SHARED_IMPL_PPB_INSTANCE_SHARED_H_
 
 #include "base/compiler_specific.h"
 #include "ppapi/c/pp_stdint.h"
 #include "ppapi/shared_impl/ppapi_shared_export.h"
@@ skipping 12 matching lines @@
                    PP_Var value) OVERRIDE;
   virtual void LogWithSource(PP_Instance instance,
                              PP_LogLevel_Dev log_level,
                              PP_Var source,
                              PP_Var value) OVERRIDE;
 
   // Error checks the given resquest to Request[Filtering]InputEvents. Returns
   // PP_OK if the given classes are all valid, PP_ERROR_NOTSUPPORTED if not.
   int32_t ValidateRequestInputEvents(bool is_filtering, uint32_t event_classes);
 
+  void* GetCategoryEnabled(PP_Instance instance,
+                           const char* category_name) OVERRIDE;
+  int32_t AddTraceEvent(PP_Instance instance,
+                        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) OVERRIDE;
+  void SetThreadName(PP_Instance instance, const char* thread_name) OVERRIDE;
+
   bool ValidateSetCursorParams(PP_MouseCursor_Type type,
                                PP_Resource image,
                                const PP_Point* hot_spot);
 
   // The length of text to request as a surrounding context of selection.
   // For now, the value is copied from the one with render_view_impl.cc.
   // TODO(kinaba) implement a way to dynamically sync the requirement.
   static const int kExtraCharsForTextInput;
 };
 
 }  // namespace ppapi
 
 #endif  // PPAPI_SHARED_IMPL_PPB_INSTANCE_SHARED_H_