[es6] Array.prototype[Symbol.iterator].name should be 'values'

R=littledan@chromium.org
BUG=v8:4311
LOG=n

Review URL: https://codereview.chromium.org/1242623002

Cr-Commit-Position: refs/heads/master@{#29794}

src/array-iterator.js

@@ -138,6 +138,10 @@ utils.InstallFunctions(GlobalArray.prototype, DONT_ENUM, [
   'keys', ArrayKeys
 ]);
 
+// TODO(adam): Remove this call once 'values' is in the above
+// InstallFunctions block, as it'll be redundant.
+utils.SetFunctionName(ArrayValues, 'values');
+
 %AddNamedProperty(GlobalArray.prototype, symbolIterator, ArrayValues,
                   DONT_ENUM);
 

test/mjsunit/es6/array-iterator.js

@@ -47,6 +47,9 @@ function TestArrayPrototype() {
   assertHasOwnProperty(Array.prototype, 'entries', DONT_ENUM);
   assertHasOwnProperty(Array.prototype, 'keys', DONT_ENUM);
   assertHasOwnProperty(Array.prototype, Symbol.iterator, DONT_ENUM);
+  assertEquals('entries', Array.prototype.entries.name);
+  assertEquals('keys', Array.prototype.keys.name);
+  assertEquals('values', Array.prototype[Symbol.iterator].name);
 }
 TestArrayPrototype();