Make IDBTransaction tasks asynchronous

[Brady Eidson]

Make IDBTransaction tasks asynchronous

This is almost zero change in behavior for now, but makes it much easier to continue fleshing out an asynchronous layer between the frontend/backend and the backing store.

[Brady Eidson]

Created attachment 216632 [details]
Patch v1

[EFL EWS Bot]

Comment on attachment 216632 [details]
Patch v1 

Attachment 216632 [details] did not pass efl-ews (efl):
Output: http://webkit-queues.appspot.com/results/21249597

[Tim Horton]

Comment on attachment 216632 [details]
Patch v1 

View in context: https://bugs.webkit.org/attachment.cgi?id=216632&action=review

> Source/WebCore/Modules/indexeddb/IDBCursorBackend.cpp:44
> +class CallbackCaller {

I feel like there's a name for this.

> Source/WebCore/Modules/indexeddb/IDBOperation.h:29
> +#include <Functional>

capital F, really?

> Source/WebCore/Modules/indexeddb/IDBTransactionBackend.cpp:245
> +    // Take take a self reference to keep this object alive so that tasks can

Take take

> Source/WebCore/Modules/indexeddb/IDBTransactionBackend.cpp:254
> +        {

not sure if this belongs here or on the previous line.

> Source/WebCore/Modules/indexeddb/IDBTransactionBackendOperations.cpp:41
> +class CallbackCaller {

déjà vu?

> Source/WebCore/Modules/indexeddb/IDBTransactionBackendOperations.cpp:382
> +void IDBDatabaseBackend::VersionChangeOperation::perform(std::function<void()> completionCallback)

Wonder if your std::function deserves a typedef too.

[Brady Eidson]

Created attachment 216633 [details]
Patch v2 - Whoops on the <Functional>

[Brady Eidson]

http://trac.webkit.org/changeset/159095