Replace HCheckPrototypeMaps by explicit map checks of constant values.

src/mark-compact.h

Index: src/mark-compact.h
diff --git a/src/mark-compact.h b/src/mark-compact.h
index 16e49e10295d30225bfbfac3562031bbc97fe20b..ee845a08370e506fe971ac0aca9bbb7a59b4b32b 100644
--- a/src/mark-compact.h
+++ b/src/mark-compact.h
@@ -638,7 +638,7 @@ class MarkCompactCollector {
   static void VerifyMarkbitsAreClean(PagedSpace* space);
   static void VerifyMarkbitsAreClean(NewSpace* space);
   void VerifyWeakEmbeddedMapsInOptimizedCode();
-  void VerifyOmittedPrototypeChecks();
+  void VerifyOmittedMapChecks();
 #endif
 
   // Sweep a single page from the given space conservatively.