Add a new API V8::SetJitCodeEventHandler to push code name and location to users such as profilers.

src/code-stubs.cc

Index: src/code-stubs.cc
diff --git a/src/code-stubs.cc b/src/code-stubs.cc
index f672d33e2124cf880c599cc28187b0cca234c9a4..abb038b4bc6a060fc9e892a93edfda38c69c6209 100644
--- a/src/code-stubs.cc
+++ b/src/code-stubs.cc
@@ -28,10 +28,10 @@
 #include "v8.h"
 
 #include "bootstrapper.h"
+#include "code-events.h"
 #include "code-stubs.h"
 #include "stub-cache.h"
 #include "factory.h"
-#include "gdb-jit.h"
 #include "macro-assembler.h"
 
 namespace v8 {
@@ -76,7 +76,7 @@ void CodeStub::RecordCodeGeneration(Code* code, MacroAssembler* masm) {
   Isolate* isolate = masm->isolate();
   SmartArrayPointer<const char> name = GetName();
   PROFILE(isolate, CodeCreateEvent(Logger::STUB_TAG, code, *name));
-  GDBJIT(AddCode(GDBJITInterface::STUB, *name, code));
+  JIT_CODE_EVENT(AddCode(*name, code));
   Counters* counters = isolate->counters();
   counters->total_stubs_code_size()->Increment(code->instruction_size());
 }