emit premonomorphic ics for keyed loads/stores in optimized code

src/code-factory.h

Index: src/code-factory.h
diff --git a/src/code-factory.h b/src/code-factory.h
index 2263662730634a4ae7a5cae2e92f172c76a164d8..e1f2efa1f34218c691c34371c86e39b87d995da8 100644
--- a/src/code-factory.h
+++ b/src/code-factory.h
@@ -36,13 +36,17 @@ class CodeFactory FINAL {
   static Callable LoadICInOptimizedCode(Isolate* isolate, ContextualMode mode,
                                         InlineCacheState initialization_state);
   static Callable KeyedLoadIC(Isolate* isolate);
-  static Callable KeyedLoadICInOptimizedCode(Isolate* isolate);
+  static Callable KeyedLoadICInOptimizedCode(
+      Isolate* isolate, InlineCacheState initialization_state);
   static Callable CallIC(Isolate* isolate, int argc,
                          CallICState::CallType call_type);
   static Callable CallICInOptimizedCode(Isolate* isolate, int argc,
                                         CallICState::CallType call_type);
   static Callable StoreIC(Isolate* isolate, LanguageMode mode);
   static Callable KeyedStoreIC(Isolate* isolate, LanguageMode mode);
+  static Callable KeyedStoreICInOptimizedCode(
+      Isolate* isolate, LanguageMode mode,
+      InlineCacheState initialization_state);
 
   static Callable CompareIC(Isolate* isolate, Token::Value op);