Eliminate extended mode, and other modes clean-up

src/ia32/lithium-ia32.h

Index: src/ia32/lithium-ia32.h
diff --git a/src/ia32/lithium-ia32.h b/src/ia32/lithium-ia32.h
index 073bcdd6d3b0309955da6b8257de36986b913fff..8826aadae65d97f3da274c9ada8ca3fcc3eb4d8a 100644
--- a/src/ia32/lithium-ia32.h
+++ b/src/ia32/lithium-ia32.h
@@ -2118,7 +2118,7 @@ class LStoreNamedGeneric V8_FINAL : public LTemplateInstruction<0, 3, 0> {
 
   virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE;
   Handle<Object> name() const { return hydrogen()->name(); }
-  StrictModeFlag strict_mode_flag() { return hydrogen()->strict_mode_flag(); }
+  StrictMode strict_mode() { return hydrogen()->strict_mode(); }
 };
 
 
@@ -2175,7 +2175,7 @@ class LStoreKeyedGeneric V8_FINAL : public LTemplateInstruction<0, 4, 0> {
 
   virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE;
 
-  StrictModeFlag strict_mode_flag() { return hydrogen()->strict_mode_flag(); }
+  StrictMode strict_mode() { return hydrogen()->strict_mode(); }
 };