[IndexedDB] Removed FIXMEs as consistent enums being used on both sides of IPC.

[IndexedDB] Removed FIXMEs as consistent enums being used on both sides of IPC.

Removed traces of typedefs from blink code:
blink::WebIDBCursor::Direction
blink::WebIDBDatabase::TaskType
blink::WebIDBDatabase::PutMode
blink::WebIDBDatabase::TransactionMode

As below patches rolled out to use consistent enums on browser and blink side.
Chromium side: https://codereview.chromium.org/320833002
Blink side: https://codereview.chromium.org/325683002

BUG=381848
Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=176689

[Pritam Nikam, 2014-06-21 07:44:07]

Hi jsbell!

I've removed FIXMEs from blink side. Please have a look.

[jsbell, 2014-06-21 14:12:05]

lgtm

[Pritam Nikam, 2014-06-21 18:22:42]

The CQ bit was checked by pritam.nikam@samsung.com

[commit-bot: I haz the power, 2014-06-21 18:23:17]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/pritam.nikam@samsung.com/348203002/1

[jsbell, 2014-06-21 19:30:31]

On 2014/06/21 18:23:17, I haz the power (commit-bot) wrote:
> CQ is trying da patch. Follow status at
>  https://chromium-status.appspot.com/cq/pritam.nikam@samsung.com/348203002/1

This will need approval from an API owner so it won't pass the presubmit as is.

[commit-bot: I haz the power, 2014-06-21 19:34:19]

FYI, CQ is re-trying this CL (attempt #1).
The failing builders are:
  blink_presubmit on tryserver.blink
(http://build.chromium.org/p/tryserver.blink/builders/blink_presubmit/builds/8217)
  win_blink_rel on tryserver.blink
(http://build.chromium.org/p/tryserver.blink/builders/win_blink_rel/builds/13038)

[commit-bot: I haz the power, 2014-06-21 19:36:40]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2014-06-21 19:36:40]

Try jobs failed on following builders:
  blink_presubmit on tryserver.blink
(http://build.chromium.org/p/tryserver.blink/builders/blink_presubmit/builds/8218)

[abarth-chromium, 2014-06-21 19:57:14]

LGTM

[abarth-chromium, 2014-06-21 19:57:21]

The CQ bit was checked by abarth@chromium.org

[commit-bot: I haz the power, 2014-06-21 19:57:59]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/pritam.nikam@samsung.com/348203002/1

[commit-bot: I haz the power, 2014-06-21 20:21:51]

Change committed as 176689