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

src/objects-debug.cc

Index: src/objects-debug.cc
diff --git a/src/objects-debug.cc b/src/objects-debug.cc
index d4cbef7d6a701f0afdae4b8df08830c019faa835..be6d9887b47b00bd8359b99b3a9d68637d2dab86 100644
--- a/src/objects-debug.cc
+++ b/src/objects-debug.cc
@@ -274,7 +274,7 @@ void JSObject::JSObjectVerify() {
   VerifyHeapPointer(properties());
   VerifyHeapPointer(elements());
 
-  if (GetElementsKind() == NON_STRICT_ARGUMENTS_ELEMENTS) {
+  if (GetElementsKind() == SLOPPY_ARGUMENTS_ELEMENTS) {
     CHECK(this->elements()->IsFixedArray());
     CHECK_GE(this->elements()->length(), 2);
   }
@@ -1053,7 +1053,7 @@ void JSObject::IncrementSpillStatistics(SpillInformation* info) {
           dict->Capacity() - dict->NumberOfElements();
       break;
     }
-    case NON_STRICT_ARGUMENTS_ELEMENTS:
+    case SLOPPY_ARGUMENTS_ELEMENTS:
       break;
   }
 }