Reset function info counters after context disposal in incremental marking step.

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index ca6acf52fd15bc831ee902ce207752a6780e169c..e7ae8449b1fe3f9733358ddcd72e1e038deacce1 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -5490,6 +5490,8 @@ class SharedFunctionInfo: public HeapObject {
   static bool CompileLazy(Handle<SharedFunctionInfo> shared,
                           ClearExceptionFlag flag);
 
+  void SharedFunctionInfoIterateBody(ObjectVisitor* v);
+
   // Casting.
   static inline SharedFunctionInfo* cast(Object* obj);
 
@@ -8538,6 +8540,8 @@ class ObjectVisitor BASE_EMBEDDED {
   // Visit pointer embedded into a code object.
   virtual void VisitEmbeddedPointer(RelocInfo* rinfo);
 
+  virtual void VisitSharedFunctionInfo(SharedFunctionInfo* shared);
+
   // Visits a contiguous arrays of external references (references to the C++
   // heap) in the half-open range [start, end). Any or all of the values
   // may be modified on return.