Fix disabling of code flusher while marking.

src/mark-compact.h

Index: src/mark-compact.h
diff --git a/src/mark-compact.h b/src/mark-compact.h
index 8b1620eb21baf51c5a0f78756dc807ad5b84a21d..642839d254afcd1f90fff74d482dfaa3216d459c 100644
--- a/src/mark-compact.h
+++ b/src/mark-compact.h
@@ -441,11 +441,18 @@ class CodeFlusher {
     ProcessJSFunctionCandidates();
   }
 
+  void EvictAllCandidates() {
+    EvictJSFunctionCandidates();
+    EvictSharedFunctionInfoCandidates();
+  }
+
   void IteratePointersToFromSpace(ObjectVisitor* v);
 
  private:
   void ProcessJSFunctionCandidates();
   void ProcessSharedFunctionInfoCandidates();
+  void EvictJSFunctionCandidates();
+  void EvictSharedFunctionInfoCandidates();
 
   static JSFunction** GetNextCandidateSlot(JSFunction* candidate) {
     return reinterpret_cast<JSFunction**>(