Update indexeddb tests to work with both methods of upgrading a database.

tests/html/html.status

 # Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 window_open_test: Fail, Pass # http://dartbug.com/5151
 
 event_test: Skip  # Issue 1996
 webgl_1_test: Skip  # Issue 1495
 xmldocument_test: Skip  # XML in dart:html is incomplete
 xmlelement_test: Skip  # XML in dart:html is incomplete
@@ skipping 103 matching lines @@
 isolates_test: Skip         # BUG(4016)
 xhr_test: Skip              # BUG(4016)
 xhr_cross_origin_test: Skip # TODO(vsm): Triage XHR on IE.
 
 [ $runtime == safari ]
 performance_api_test: Fail # window.performance.timing not in Safari 6.
 indexeddb_1_test: Fail # indexedDB not in Safari 6.
 indexeddb_2_test: Fail # indexedDB not in Safari 6.
 indexeddb_3_test: Fail # indexedDB not in Safari 6.
 indexeddb_4_test: Fail # indexedDB not in Safari 6.
-indexeddb_1_test: Fail # indexedDB not in Safari 6.
 fileapi_test: Fail # requestFileSystem not supported in Safari 6.
 datalistelement_test: Fail # HTMLDataListElement not yet supported in Safari.
 contentelement_test: Fail # Safari 6 does not support content element.
 # The following tests all fail in Safari 5.1. (NOT Mountain Lion). These will go
 # away after we upgrade the buildbots to Mountain Lion after M1.
 # TODO(efortuna): Make our test framework able to separate tests out by browser
 # version.
 audiobuffersourcenode_test: Fail
 audiocontext_test: Fail
 blob_constructor_test: Fail
@@ skipping 21 matching lines @@
 audiocontext_test: Fail      # FF only has Audio element
 css_test: Fail               # No analog to WebKitCSSMatrix
 canvas_test: Fail            # No setFillColor() method.  Use fillstyle attribute instead.
 canvas_using_html_test: Fail # No setFillColor() method.  Use fillstyle attribute instead.
 contentelement_test: Fail    # FF does not support content element.
 dart_object_local_storage_test: Skip  # sessionStorage NS_ERROR_DOM_NOT_SUPPORTED_ERR
 documentfragment_test: Fail
 element_test: Fail
 exceptions_test: Fail      # Uses webkitotifications, no analogue in moz
 fileapi_test: Fail         # FF does not support filesystem APIs.
-indexeddb_1_test: Fail     # Need window.mozIndexedDB instead of window.webkitIndexedDB
-indexeddb_2_test: Fail     # Need window.mozIndexedDB instead of window.webkitIndexedDB
-indexeddb_3_test: Fail     # Need window.mozIndexedDB instead of window.webkitIndexedDB
-indexeddb_4_test: Fail     # Need window.mozIndexedDB instead of window.webkitIndexedDB
+indexeddb_1_test: Fail     # FF disables indexedDB from file URLs.
+indexeddb_2_test: Fail     # FF disables indexedDB from file URLs.
+indexeddb_3_test: Fail     # FF disables indexedDB from file URLs.
+indexeddb_4_test: Fail     # FF disables indexedDB from file URLs.
 # setup code fails. prepare. (DOM callback has errors) Caught [object Event]
 inner_frame_test: Skip
 # Interfaces not implemented: SVGTests, SVGLangSpace, SVGExternalResourcesRequired, SVGStylable
 svg_3_test: Fail
 svgelement_test: Fail
 svgelement2_test: Fail
 transferables_test: Fail   # Issue 3392.
 websql_test: Fail # FF does not support web SQL
 websocket_test: Pass, Fail # FF 10 is uses MozWebSocket, FF 11 uses WebSocket.
 # Exception... "Access to restricted URI denied" code: "1012" nsresult: "0x805303f4"
@@ skipping 48 matching lines @@
 
 [ $compiler == dart2js && $runtime == chrome && $system == windows]
 css_test: Pass, Fail # Issue #2823
 
 [ $compiler == dart2js && $runtime == ff && $system == windows]
 js_interop_2_test: Fail # Issue 4658.
 js_interop_3_test: Fail # Issue 4658.
 
 [ $compiler == dart2js && $checked && $browser]
 fileapi_test: Fail # TypeError: Object #<DirectoryEntry> has no method 'get$name'