IndexedDB: Stub out async IDBDatabaseBackendInterface::createObjectStore
https://bugs.webkit.org/show_bug.cgi?id=106148

Reviewed by Adam Barth.

Source/WebCore:

These methods are becoming async in multiprocess ports, so stub out
versions that have no return values.

* Modules/indexeddb/IDBDatabaseBackendImpl.h:
(WebCore::IDBDatabaseBackendImpl::createObjectStore):
(WebCore::IDBDatabaseBackendImpl::deleteObjectStore):
* Modules/indexeddb/IDBDatabaseBackendInterface.h:
(IDBDatabaseBackendInterface):

Source/WebKit/chromium:

Stub out WebKit API for async createObjectStore.

* public/WebIDBDatabase.h:
(WebIDBDatabase):
* src/IDBDatabaseBackendProxy.cpp:
(WebKit::IDBDatabaseBackendProxy::createObjectStore):
(WebKit):
(WebKit::IDBDatabaseBackendProxy::deleteObjectStore):
* src/IDBDatabaseBackendProxy.h:
(IDBDatabaseBackendProxy):
* src/WebIDBDatabaseImpl.cpp:
(WebKit::WebIDBDatabaseImpl::createObjectStore):
(WebKit):
(WebKit::WebIDBDatabaseImpl::deleteObjectStore):
* src/WebIDBDatabaseImpl.h:
(WebIDBDatabaseImpl):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@138963 268f45cc-cd09-0410-ab3c-d52691b4dbfc