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

src/heap.cc

Index: src/heap.cc
diff --git a/src/heap.cc b/src/heap.cc
index 42e56ca1eb9e2bb40498d9ea2d341c71a67f6b4e..bd27d42bf7335d1a2c4e777bcaa22888478dd3e1 100644
--- a/src/heap.cc
+++ b/src/heap.cc
@@ -2867,7 +2867,7 @@ bool Heap::CreateInitialMaps() {
      TYPED_ARRAYS(ALLOCATE_FIXED_TYPED_ARRAY_MAP)
 #undef ALLOCATE_FIXED_TYPED_ARRAY_MAP
 
-    ALLOCATE_VARSIZE_MAP(FIXED_ARRAY_TYPE, non_strict_arguments_elements)
+    ALLOCATE_VARSIZE_MAP(FIXED_ARRAY_TYPE, sloppy_arguments_elements)
 
     ALLOCATE_VARSIZE_MAP(CODE_TYPE, code)
 
@@ -4262,7 +4262,7 @@ MaybeObject* Heap::AllocateArgumentsObject(Object* callee, int length) {
   JSObject* boilerplate;
   int arguments_object_size;
   bool strict_mode_callee = callee->IsJSFunction() &&
-      !JSFunction::cast(callee)->shared()->is_classic_mode();
+      !JSFunction::cast(callee)->shared()->is_sloppy_mode();
   if (strict_mode_callee) {
     boilerplate =
         isolate()->context()->native_context()->
@@ -4297,7 +4297,7 @@ MaybeObject* Heap::AllocateArgumentsObject(Object* callee, int length) {
   JSObject::cast(result)->InObjectPropertyAtPut(kArgumentsLengthIndex,
                                                 Smi::FromInt(length),
                                                 SKIP_WRITE_BARRIER);
-  // Set the callee property for non-strict mode arguments object only.
+  // Set the callee property for sloppy mode arguments object only.
   if (!strict_mode_callee) {
     JSObject::cast(result)->InObjectPropertyAtPut(kArgumentsCalleeIndex,
                                                   callee);