Move compile and parse trace events to a separate category.

src/optimizing-compile-dispatcher.cc

Index: src/optimizing-compile-dispatcher.cc
diff --git a/src/optimizing-compile-dispatcher.cc b/src/optimizing-compile-dispatcher.cc
index c3ec835ff9a04d58f0787d22566274ecbaabbd0b..d5059f60f54fe0d3563c122fa30c258bcf324bab 100644
--- a/src/optimizing-compile-dispatcher.cc
+++ b/src/optimizing-compile-dispatcher.cc
@@ -52,7 +52,9 @@ class OptimizingCompileDispatcher::CompileTask : public v8::Task {
         isolate_->optimizing_compile_dispatcher();
     {
       TimerEventScope<TimerEventRecompileConcurrent> timer(isolate_);
-      TRACE_EVENT0("v8", "V8.RecompileConcurrent");
+
+      TRACE_EVENT0(TRACE_DISABLED_BY_DEFAULT("v8.compile"),
+                   "V8.RecompileConcurrent");
 
       if (dispatcher->recompilation_delay_ != 0) {
         base::OS::Sleep(base::TimeDelta::FromMilliseconds(