Also time other API functions calling into javascript.

src/log.h

Index: src/log.h
diff --git a/src/log.h b/src/log.h
index a1ebd79ccae6ca843fbf18cf69cba9cf999c2796..c8f81bc57547bed3b710494cd6075e8e5f31cec8 100644
--- a/src/log.h
+++ b/src/log.h
@@ -76,6 +76,7 @@ class Profiler;
 class Semaphore;
 class SlidingStateWindow;
 class Ticker;
+class Isolate;
 
 #undef LOG
 #define LOG(isolate, Call)                          \
@@ -278,24 +279,24 @@ class Logger {
 
   class TimerEventScope {
    public:
-    TimerEventScope(Logger* logger, const char* name)
-        : logger_(logger), name_(name), start_(0) {
+    TimerEventScope(Isolate* isolate, const char* name)
+        : isolate_(isolate), name_(name), start_(0) {
       if (FLAG_log_timer_events) start_ = OS::Ticks();
     }
 
     ~TimerEventScope() {
-      if (FLAG_log_timer_events) {
-        logger_->TimerEvent(name_, start_, OS::Ticks());
-      }
+      if (FLAG_log_timer_events) LogTimerEvent();
     }
 
+    void LogTimerEvent();
+
     static const char* v8_recompile_synchronous;
     static const char* v8_recompile_parallel;
     static const char* v8_compile_full_code;
     static const char* v8_execute;
 
    private:
-    Logger* logger_;
+    Isolate* isolate_;
     const char* name_;
     int64_t start_;
   };