Replace EntryArray type by an Entry[]

LayoutTests/fast/filesystem/script-tests/read-directory.js

 description("DirectoryReader.readEntries() test.");
 var fileSystem = null;
 var reader = null;
 var resultEntries = [];
 
 var readEntriesCount = 0;
 var entriesCallbackCount = 0;
 
 // path: isDirectory map.
 var testEntries = {
@@ skipping 24 matching lines @@
     shouldBe('readEntriesCount', 'entriesCallbackCount');
     shouldBe('resultEntries.length', 'testEntriesCount');
     resultEntries.sort(function(a, b) { return (a.fullPath > b.fullPath) ? 1 : (a.fullPath < b.fullPath) ? -1 : 0; });
     for (i = 0; i < resultEntries.length; ++i) {
         entry = resultEntries[i];
         debug('Entry:' + entry.fullPath + ' isDirectory:' + entry.isDirectory);
         shouldBe('testEntries[entry.fullPath]', 'entry.isDirectory');
     }
 }
 
-function entriesCallback(entries)
+var entries;
+function entriesCallback(_entries)
 {
     entriesCallbackCount++;
-
-    for (var i = 0; i < entries.length; ++i)
-        resultEntries.push(entries[i]);
+    entries = _entries;
+    shouldBe("entries.__proto__", "Array.prototype");
+    resultEntries.push.apply(resultEntries, entries);
 
     if (entries.length) {
         readEntriesCount++;
         reader.readEntries(entriesCallback, errorCallback);
     } else {
         // Must have read all the entries.
         verifyTestResult();
         endTest();
     }
 }
@@ skipping 25 matching lines @@
     fileSystem = fs;
     debug("Successfully obtained Persistent FileSystem:" + fileSystem.name);
     removeAllInDirectory(fileSystem.root, prepareForTest, errorCallback);
 }
 
 if (window.webkitRequestFileSystem) {
     webkitRequestFileSystem(window.TEMPORARY, 100, successCallback, errorCallback);
     window.jsTestIsAsync = true;
 } else
     debug("This test requires FileSystem API support.");