Web Inspector: [InspectorIndexedDB] Pass Database, object stores and indexes meta...

Web Inspector: [InspectorIndexedDB] Pass Database, object stores and indexes meta information to frontend.
https://bugs.webkit.org/show_bug.cgi?id=76711

Reviewed by Yury Semikhatsky.

* inspector/Inspector.json:
* inspector/InspectorIndexedDBAgent.cpp:
(WebCore):
(WebCore::assertDocument):
(WebCore::assertIDBFactory):
(WebCore::InspectorIndexedDBAgent::requestDatabaseNamesForFrame):
(WebCore::InspectorIndexedDBAgent::requestDatabase):
* inspector/InspectorIndexedDBAgent.h:
(InspectorIndexedDBAgent):
* inspector/front-end/IndexedDBModel.js:
(WebInspector.IndexedDBModel):
(WebInspector.IndexedDBModel.prototype._frameDetached):
(WebInspector.IndexedDBModel.prototype._reset):
(WebInspector.IndexedDBModel.prototype._originAddedToFrame):
(WebInspector.IndexedDBModel.prototype._originRemovedFromFrame):
(WebInspector.IndexedDBModel.prototype._originRemoved):
(WebInspector.IndexedDBModel.prototype._updateOriginDatabaseNames):
(WebInspector.IndexedDBModel.prototype._databaseRemoved):
(WebInspector.IndexedDBModel.prototype._loadDatabaseNamesForFrame):
(WebInspector.IndexedDBModel.prototype._loadDatabase):
(WebInspector.IndexedDBModel.Frame):
(WebInspector.IndexedDBModel.Database):
(WebInspector.IndexedDBModel.ObjectStore):
(WebInspector.IndexedDBModel.ObjectStoreIndex):
(WebInspector.IndexedDBRequestManager.prototype._databaseNamesLoaded):
(WebInspector.IndexedDBRequestManager.prototype.requestDatabase.innerCallback):
(WebInspector.IndexedDBRequestManager.prototype.requestDatabase):
(WebInspector.IndexedDBRequestManager.prototype._databaseLoaded):
(WebInspector.IndexedDBRequestManager.prototype._frameDetached):
(WebInspector.IndexedDBRequestManager.prototype._databaseRemoved):
(WebInspector.IndexedDBRequestManager.prototype._reset):
(WebInspector.IndexedDBRequestManager.DatabaseRequest):
(WebInspector.IndexedDBDispatcher.prototype.databaseNamesLoaded):
(WebInspector.IndexedDBDispatcher.prototype.databaseLoaded):

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@105864 268f45cc-cd09-0410-ab3c-d52691b4dbfc