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

src/cpu-profiler.h

 // 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 170 matching lines @@
   UnboundQueue<CodeEventsContainer> events_buffer_;
   SamplingCircularQueue ticks_buffer_;
   UnboundQueue<TickSampleEventRecord> ticks_from_vm_buffer_;
   unsigned enqueue_order_;
 };
 
 } }  // namespace v8::internal
 
 
 #define PROFILE(isolate, Call)                                \
-  LOG(isolate, Call);                                         \
+  LOG_CODE_EVENT(isolate, Call);                              \
   do {                                                        \
     if (v8::internal::CpuProfiler::is_profiling(isolate)) {   \
       v8::internal::CpuProfiler::Call;                        \
     }                                                         \
   } while (false)
 
 
 namespace v8 {
 namespace internal {
 
@@ skipping 72 matching lines @@
   Atomic32 is_profiling_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(CpuProfiler);
 };
 
 } }  // namespace v8::internal
 
 
 #endif  // V8_CPU_PROFILER_H_