Eliminate extended mode, and other modes clean-up

src/mips/lithium-mips.h

Index: src/mips/lithium-mips.h
diff --git a/src/mips/lithium-mips.h b/src/mips/lithium-mips.h
index 67836cf7b38ca6cf05a62e83a37b5994b65886ce..e9c1aebdb67659c732d77c5ca593cb6d8470889a 100644
--- a/src/mips/lithium-mips.h
+++ b/src/mips/lithium-mips.h
@@ -2092,7 +2092,7 @@ 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_flag() { return hydrogen()->strict_mode_flag(); }
 };
 
 
@@ -2149,7 +2149,7 @@ 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_flag() { return hydrogen()->strict_mode_flag(); }
 };