Reland: Add Scoped Context Info (Isolate) to V8 Traces

test/cctest/heap/test-incremental-marking.cc

 // Copyright 2015 the V8 project 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 <stdlib.h>
 
 #ifdef __linux__
 #include <errno.h>
 #include <fcntl.h>
 #include <sys/stat.h>
@@ skipping 68 matching lines @@
   bool PendingDelayedTask() { return delayed_task_ != nullptr; }
 
   void PerformDelayedTask() {
     Task* task = delayed_task_;
     delayed_task_ = nullptr;
     task->Run();
     delete task;
   }
 
   uint64_t AddTraceEvent(char phase, const uint8_t* categoryEnabledFlag,
+                         const char* name, const char* scope, uint64_t id,
+                         uint64_t bind_id, int numArgs, const char** argNames,
+                         const uint8_t* argTypes, const uint64_t* argValues,
+                         unsigned int flags) override {
+    return 0;
+  }
+
+  // TODO(fmeawad): Remove once all embedders implement the scope version.
+  uint64_t AddTraceEvent(char phase, const uint8_t* categoryEnabledFlag,
                          const char* name, uint64_t id, uint64_t bind_id,
                          int numArgs, const char** argNames,
                          const uint8_t* argTypes, const uint64_t* argValues,
                          unsigned int flags) override {
     return 0;
   }
 
   void UpdateTraceEventDuration(const uint8_t* categoryEnabledFlag,
                                 const char* name, uint64_t handle) override {}
 
@@ skipping 90 matching lines @@
   while (!marking->IsStopped() && platform.PendingDelayedTask()) {
     platform.PerformDelayedTask();
   }
   // There could be pending delayed task from memory reducer after GC finishes.
   CHECK(marking->IsStopped());
   i::V8::SetPlatformForTesting(old_platform);
 }
 
 }  // namespace internal
 }  // namespace v8