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

src/harmony-array.js

Index: src/harmony-array.js
diff --git a/src/harmony-array.js b/src/harmony-array.js
index 2cedebaae13b4f5823e12dc279c2ecb1becd0993..d37d87538575d53651255ca8bdacdc77e0beb01c 100644
--- a/src/harmony-array.js
+++ b/src/harmony-array.js
@@ -51,7 +51,7 @@ function ArrayFind(predicate /* thisArg */) {  // length == 1
 
   if (IS_NULL_OR_UNDEFINED(thisArg)) {
     thisArg = %GetDefaultReceiver(predicate) || thisArg;
-  } else if (!IS_SPEC_OBJECT(thisArg) && %IsClassicModeFunction(predicate)) {
+  } else if (!IS_SPEC_OBJECT(thisArg) && %IsSloppyModeFunction(predicate)) {
     thisArg = ToObject(thisArg);
   }
 
@@ -86,7 +86,7 @@ function ArrayFindIndex(predicate /* thisArg */) {  // length == 1
 
   if (IS_NULL_OR_UNDEFINED(thisArg)) {
     thisArg = %GetDefaultReceiver(predicate) || thisArg;
-  } else if (!IS_SPEC_OBJECT(thisArg) && %IsClassicModeFunction(predicate)) {
+  } else if (!IS_SPEC_OBJECT(thisArg) && %IsSloppyModeFunction(predicate)) {
     thisArg = ToObject(thisArg);
   }