Add a basic compiler dispatcher

src/compiler-dispatcher/compiler-dispatcher-job.h

Index: src/compiler-dispatcher/compiler-dispatcher-job.h
diff --git a/src/compiler-dispatcher/compiler-dispatcher-job.h b/src/compiler-dispatcher/compiler-dispatcher-job.h
index 7f4c6ced715536ed58078b40e62a95b502a272a3..811d4fcb4edd7a200cf66fe92e078e32958a018d 100644
--- a/src/compiler-dispatcher/compiler-dispatcher-job.h
+++ b/src/compiler-dispatcher/compiler-dispatcher-job.h
@@ -40,7 +40,8 @@ enum class CompileJobStatus {
 
 class V8_EXPORT_PRIVATE CompilerDispatcherJob {
  public:
-  CompilerDispatcherJob(Isolate* isolate, Handle<SharedFunctionInfo> shared,
+  CompilerDispatcherJob(Isolate* isolate, CompilerDispatcherTracer* tracer,
+                        Handle<SharedFunctionInfo> shared,
                         size_t max_stack_size);
   ~CompilerDispatcherJob();
 
@@ -54,6 +55,10 @@ class V8_EXPORT_PRIVATE CompilerDispatcherJob {
     return can_compile_on_background_thread_;
   }
 
+  // Returns true if this CompilerDispatcherJob was created for the given
+  // function.
+  bool IsAssociatedWith(Handle<SharedFunctionInfo> shared) const;
+
   // Transition from kInitial to kReadyToParse.
   void PrepareToParseOnMainThread();