Add an API for additional profile log records

src/api.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 6296 matching lines @@
 intptr_t V8::AdjustAmountOfExternalAllocatedMemory(intptr_t change_in_bytes) {
   i::Isolate* isolate = i::Isolate::UncheckedCurrent();
   if (isolate == NULL || !isolate->IsInitialized()) {
     return 0;
   }
   Isolate* isolate_ext = reinterpret_cast<Isolate*>(isolate);
   return isolate_ext->AdjustAmountOfExternalAllocatedMemory(change_in_bytes);
 }
 
 
+void V8::AddProfilerMark(char* mark) {
+  i::Isolate* isolate = i::Isolate::Current();
+  LOG(isolate, MarkEvent(mark));
+}
+
+
 HeapProfiler* Isolate::GetHeapProfiler() {
   i::HeapProfiler* heap_profiler =
       reinterpret_cast<i::Isolate*>(this)->heap_profiler();
   return reinterpret_cast<HeapProfiler*>(heap_profiler);
 }
 
 
 CpuProfiler* Isolate::GetCpuProfiler() {
   i::CpuProfiler* cpu_profiler =
       reinterpret_cast<i::Isolate*>(this)->cpu_profiler();
@@ skipping 1217 matching lines @@
   Isolate* isolate = reinterpret_cast<Isolate*>(info.GetIsolate());
   Address callback_address =
       reinterpret_cast<Address>(reinterpret_cast<intptr_t>(callback));
   VMState<EXTERNAL> state(isolate);
   ExternalCallbackScope call_scope(isolate, callback_address);
   callback(info);
 }
 
 
 } }  // namespace v8::internal