IC: Eliminate initialization_state as a factor in IC installation.

src/ic/ic.h

Index: src/ic/ic.h
diff --git a/src/ic/ic.h b/src/ic/ic.h
index 5dae179f7cf233d4e3998ac0e59953ce3cb24d7d..85c84746ab6b290edc9e6eca4000f753e234337b 100644
--- a/src/ic/ic.h
+++ b/src/ic/ic.h
@@ -292,7 +292,7 @@ class LoadIC : public IC {
   static void GenerateNormal(MacroAssembler* masm);
 
   static Handle<Code> initialize_stub_in_optimized_code(
-      Isolate* isolate, ExtraICState extra_state, State initialization_state);
+      Isolate* isolate, ExtraICState extra_state);
 
   MUST_USE_RESULT MaybeHandle<Object> Load(Handle<Object> object,
                                            Handle<Name> name);
@@ -337,7 +337,7 @@ class KeyedLoadIC : public LoadIC {
   static void GenerateMegamorphic(MacroAssembler* masm);
 
   static Handle<Code> initialize_stub_in_optimized_code(
-      Isolate* isolate, State initialization_state, ExtraICState extra_state);
+      Isolate* isolate, ExtraICState extra_state);
   static Handle<Code> ChooseMegamorphicStub(Isolate* isolate,
                                             ExtraICState extra_state);
 
@@ -372,7 +372,7 @@ class StoreIC : public IC {
                                          LanguageMode language_mode);
 
   static Handle<Code> initialize_stub_in_optimized_code(
-      Isolate* isolate, LanguageMode language_mode, State initialization_state);
+      Isolate* isolate, LanguageMode language_mode);
 
   MUST_USE_RESULT MaybeHandle<Object> Store(
       Handle<Object> object, Handle<Name> name, Handle<Object> value,
@@ -428,7 +428,7 @@ class KeyedStoreIC : public StoreIC {
                                   LanguageMode language_mode);
 
   static Handle<Code> initialize_stub_in_optimized_code(
-      Isolate* isolate, LanguageMode language_mode, State initialization_state);
+      Isolate* isolate, LanguageMode language_mode);
   static Handle<Code> ChooseMegamorphicStub(Isolate* isolate,
                                             ExtraICState extra_state);