[Interpreter] Enable runtime profiler support for Ignition.

src/runtime-profiler.h

Index: src/runtime-profiler.h
diff --git a/src/runtime-profiler.h b/src/runtime-profiler.h
index 0d57929d060fe4dd5df60f7b97cc3c615d84eb0d..63121890a20e3f095212b4ec8ba6e2120267e900 100644
--- a/src/runtime-profiler.h
+++ b/src/runtime-profiler.h
@@ -23,13 +23,16 @@ class RuntimeProfiler {
  public:
   explicit RuntimeProfiler(Isolate* isolate);
 
-  void OptimizeNow();
+  void MarkCandidatesForOptimization();
 
   void NotifyICChanged() { any_ic_changed_ = true; }
 
   void AttemptOnStackReplacement(JSFunction* function, int nesting_levels = 1);
 
  private:
+  void MaybeOptimizeFullCodegen(JSFunction* function, int frame_count,
+                                bool frame_optimized);
+  void MaybeOptimizeIgnition(JSFunction* function);
   void Optimize(JSFunction* function, const char* reason);
 
   bool CodeSizeOKForOSR(Code* shared_code);