[stubs] Unify (and optimize) implementation of ToObject.

src/harmony-array.js

Index: src/harmony-array.js
diff --git a/src/harmony-array.js b/src/harmony-array.js
index e94134b81aa851a9539ceb86d38e72971279fa78..709a6e9e459b553d7bf755f4d83c610e36eed0a8 100644
--- a/src/harmony-array.js
+++ b/src/harmony-array.js
@@ -83,7 +83,7 @@ function InnerArrayCopyWithin(target, start, end, array, length) {
 function ArrayCopyWithin(target, start, end) {
   CHECK_OBJECT_COERCIBLE(this, "Array.prototype.copyWithin");
 
-  var array = TO_OBJECT_INLINE(this);
+  var array = TO_OBJECT(this);
   var length = $toLength(array.length);
 
   return InnerArrayCopyWithin(target, start, end, array, length);
@@ -103,7 +103,7 @@ function InnerArrayFind(predicate, thisArg, array, length) {
 
   for (var i = 0; i < length; i++) {
     var element = array[i];
-    var newThisArg = needs_wrapper ? $toObject(thisArg) : thisArg;
+    var newThisArg = needs_wrapper ? TO_OBJECT(thisArg) : thisArg;
     if (%_CallFunction(newThisArg, element, i, array, predicate)) {
       return element;
     }
@@ -116,7 +116,7 @@ function InnerArrayFind(predicate, thisArg, array, length) {
 function ArrayFind(predicate, thisArg) {
   CHECK_OBJECT_COERCIBLE(this, "Array.prototype.find");
 
-  var array = $toObject(this);
+  var array = TO_OBJECT(this);
   var length = $toInteger(array.length);
 
   return InnerArrayFind(predicate, thisArg, array, length);
@@ -136,7 +136,7 @@ function InnerArrayFindIndex(predicate, thisArg, array, length) {
 
   for (var i = 0; i < length; i++) {
     var element = array[i];
-    var newThisArg = needs_wrapper ? $toObject(thisArg) : thisArg;
+    var newThisArg = needs_wrapper ? TO_OBJECT(thisArg) : thisArg;
     if (%_CallFunction(newThisArg, element, i, array, predicate)) {
       return i;
     }
@@ -149,7 +149,7 @@ function InnerArrayFindIndex(predicate, thisArg, array, length) {
 function ArrayFindIndex(predicate, thisArg) {
   CHECK_OBJECT_COERCIBLE(this, "Array.prototype.findIndex");
 
-  var array = $toObject(this);
+  var array = TO_OBJECT(this);
   var length = $toInteger(array.length);
 
   return InnerArrayFindIndex(predicate, thisArg, array, length);
@@ -187,7 +187,7 @@ function InnerArrayFill(value, start, end, array, length) {
 function ArrayFill(value, start, end) {
   CHECK_OBJECT_COERCIBLE(this, "Array.prototype.fill");
 
-  var array = $toObject(this);
+  var array = TO_OBJECT(this);
   var length = TO_UINT32(array.length);
 
   return InnerArrayFill(value, start, end, array, length);
@@ -205,7 +205,7 @@ function AddArrayElement(constructor, array, i, value) {
 
 // ES6, draft 10-14-14, section 22.1.2.1
 function ArrayFrom(arrayLike, mapfn, receiver) {
-  var items = $toObject(arrayLike);
+  var items = TO_OBJECT(arrayLike);
   var mapping = !IS_UNDEFINED(mapfn);
 
   if (mapping) {
@@ -215,7 +215,7 @@ function ArrayFrom(arrayLike, mapfn, receiver) {
       if (IS_NULL(receiver)) {
         receiver = UNDEFINED;
       } else if (!IS_UNDEFINED(receiver)) {
-        receiver = TO_OBJECT_INLINE(receiver);
+        receiver = TO_OBJECT(receiver);
       }
     }
   }