[gin] Add ConvertableToTraceFormatWrapper

gin/public/v8_platform.h

 // 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 GIN_PUBLIC_V8_PLATFORM_H_
 #define GIN_PUBLIC_V8_PLATFORM_H_
 
 #include "base/compiler_specific.h"
 #include "base/lazy_instance.h"
 #include "base/macros.h"
@@ skipping 16 matching lines @@
   void CallDelayedOnForegroundThread(v8::Isolate* isolate,
                                      v8::Task* task,
                                      double delay_in_seconds) override;
   void CallIdleOnForegroundThread(v8::Isolate* isolate,
                                   v8::IdleTask* task) override;
   bool IdleTasksEnabled(v8::Isolate* isolate) override;
   double MonotonicallyIncreasingTime() override;
   const uint8_t* GetCategoryGroupEnabled(const char* name) override;
   const char* GetCategoryGroupName(
       const uint8_t* category_enabled_flag) override;
-  uint64_t AddTraceEvent(char phase,
-                         const uint8_t* category_enabled_flag,
-                         const char* name,
-                         const char* scope,
-                         uint64_t id,
-                         uint64_t bind_id,
-                         int32_t num_args,
-                         const char** arg_names,
-                         const uint8_t* arg_types,
-                         const uint64_t* arg_values,
-                         unsigned int flags) override;
+  uint64_t AddTraceEvent(
+      char phase,
+      const uint8_t* category_enabled_flag,
+      const char* name,
+      const char* scope,
+      uint64_t id,
+      uint64_t bind_id,
+      int32_t num_args,
+      const char** arg_names,
+      const uint8_t* arg_types,
+      const uint64_t* arg_values,
+      std::unique_ptr<v8::ConvertableToTraceFormat>* arg_convertibles,
+      unsigned int flags) override;
   void UpdateTraceEventDuration(const uint8_t* category_enabled_flag,
                                 const char* name,
                                 uint64_t handle) override;
 
   void AddTraceStateObserver(v8::Platform::TraceStateObserver*) override;
   void RemoveTraceStateObserver(v8::Platform::TraceStateObserver*) override;
 
  private:
   friend struct base::DefaultLazyInstanceTraits<V8Platform>;
 
   V8Platform();
   ~V8Platform() override;
 
   DISALLOW_COPY_AND_ASSIGN(V8Platform);
 };
 
 }  // namespace gin
 
 #endif  // GIN_PUBLIC_V8_PLATFORM_H_