Mode clean-up pt 1: rename classic/non-strict mode to sloppy mode

src/mips/lithium-codegen-mips.h

Index: src/mips/lithium-codegen-mips.h
diff --git a/src/mips/lithium-codegen-mips.h b/src/mips/lithium-codegen-mips.h
index b4651702e0b4ebd599df095dc393cea23fd7028b..779f090da4f5ec24ce50e0db764e9fdd99be3b03 100644
--- a/src/mips/lithium-codegen-mips.h
+++ b/src/mips/lithium-codegen-mips.h
@@ -162,7 +162,7 @@ class LCodeGen: public LCodeGenBase {
 
  private:
   StrictModeFlag strict_mode_flag() const {
-    return info()->is_classic_mode() ? kNonStrictMode : kStrictMode;
+    return info()->is_sloppy_mode() ? kSloppyMode : kStrictMode;
   }
 
   Scope* scope() const { return scope_; }