IndexedDB: Stub out WebKit interface for get(IndexedKeyRange)

IndexedDB: Stub out WebKit interface for get(IndexedKeyRange)
https://bugs.webkit.org/show_bug.cgi?id=83637

Patch by Alec Flett <alecflett@chromium.org> on 2012-04-11
Reviewed by Kent Tamura.

This is just a stub-out of IDBObjectStore.get(IDBKeyRange) to coordinate
a landing in chromium

* public/WebIDBObjectStore.h:
(WebKit::WebIDBObjectStore::get):
(WebIDBObjectStore):
* src/IDBObjectStoreBackendProxy.cpp:
(WebKit::IDBObjectStoreBackendProxy::get):
(WebKit):
* src/IDBObjectStoreBackendProxy.h:
(IDBObjectStoreBackendProxy):
* src/WebIDBObjectStoreImpl.cpp:
(WebKit::WebIDBObjectStoreImpl::get):
(WebKit):
* src/WebIDBObjectStoreImpl.h:
(WebIDBObjectStoreImpl):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@113943 268f45cc-cd09-0410-ab3c-d52691b4dbfc