Web Inspector: IDBObjectStore.autoIncrement flag not exposed

Web Inspector: IDBObjectStore.autoIncrement flag not exposed
https://bugs.webkit.org/show_bug.cgi?id=89701

Reviewed by Yury Semikhatsky.

Source/WebCore:

Plumbed objectStore.autoIncrement to inspector front-end and added it to tooltip.

* English.lproj/localizedStrings.js:
* inspector/Inspector.json:
* inspector/InspectorIndexedDBAgent.cpp:
(WebCore):
* inspector/front-end/IndexedDBModel.js:
(WebInspector.IndexedDBModel.prototype._loadDatabase.callback):
(WebInspector.IndexedDBModel.prototype._loadDatabase):
(WebInspector.IndexedDBModel.ObjectStore):
* inspector/front-end/ResourcesPanel.js:
(WebInspector.IDBObjectStoreTreeElement.prototype._updateTooltip):

LayoutTests:

* http/tests/inspector/indexeddb/database-structure-expected.txt:
* http/tests/inspector/indexeddb/database-structure.html:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@121533 268f45cc-cd09-0410-ab3c-d52691b4dbfc