IndexedDB: Don't timeout read-only transactions

IndexedDB: Don't timeout read-only transactions

Chrome introduced a transaction timeout to deal with potentially wedged
renderers (e.g. JS execution halted, etc) failing to complete transactions,
leaving the browser's transaction queue in a bad state. This was done
for all transactions, but since read-only transactions don't hold up
the queue it's safe to ignore them, which can reduce false-positives.

BUG=339229
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=254846

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=255673

[jsbell, 2014-03-03 22:18:13]

dgrogan@, cmumford@ - PTAL?

[dgrogan, 2014-03-04 01:30:27]

lgtm

[jsbell, 2014-03-04 17:15:23]

The CQ bit was checked by jsbell@chromium.org

[commit-bot: I haz the power, 2014-03-04 17:16:19]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/jsbell@chromium.org/180163010/1

[commit-bot: I haz the power, 2014-03-04 22:10:10]

Change committed as 254846

[stgao, 2014-03-04 22:59:22]

A revert of this CL has been created in
https://codereview.chromium.org/185403019/ by stgao@chromium.org.

The reason for reverting is: Break Chromium Memory on Linux ASan+LSan Tests (2)

http://build.chromium.org/p/chromium.memory/builders/Linux%20ASan%2BLSan%20Te....

[jsbell, 2014-03-04 23:02:38]

Bah, just need to abort the transaction so it all gets cleaned up.

[jsbell, 2014-03-06 18:45:16]

The CQ bit was checked by jsbell@chromium.org

[commit-bot: I haz the power, 2014-03-06 18:50:56]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/jsbell@chromium.org/180163010/20001

[commit-bot: I haz the power, 2014-03-06 19:07:56]

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

[commit-bot: I haz the power, 2014-03-06 19:07:56]

Try jobs failed on following builders: mac_chromium_compile_dbg

[jsbell, 2014-03-06 19:08:55]

The CQ bit was checked by jsbell@chromium.org

[commit-bot: I haz the power, 2014-03-06 19:15:08]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/jsbell@chromium.org/180163010/20001

[commit-bot: I haz the power, 2014-03-06 21:00:11]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/jsbell@chromium.org/180163010/20001

[commit-bot: I haz the power, 2014-03-06 21:29:12]

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

[commit-bot: I haz the power, 2014-03-06 21:29:12]

Try jobs failed on following builders: mac_chromium_compile_dbg

[jsbell, 2014-03-07 00:53:26]

The CQ bit was checked by jsbell@chromium.org

[commit-bot: I haz the power, 2014-03-07 00:59:38]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/jsbell@chromium.org/180163010/20001

[commit-bot: I haz the power, 2014-03-07 03:47:46]

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

[commit-bot: I haz the power, 2014-03-07 03:47:47]

Try jobs failed on following builders: mac_chromium_compile_dbg

[jsbell, 2014-03-07 18:18:27]

The CQ bit was checked by jsbell@chromium.org

[commit-bot: I haz the power, 2014-03-07 18:20:32]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/jsbell@chromium.org/180163010/20001

[commit-bot: I haz the power, 2014-03-07 18:25:08]

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

[commit-bot: I haz the power, 2014-03-07 18:25:09]

Try jobs failed on following builders: mac_chromium_compile_dbg

[jsbell, 2014-03-07 18:41:44]

The CQ bit was checked by jsbell@chromium.org

[commit-bot: I haz the power, 2014-03-07 18:43:51]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/jsbell@chromium.org/180163010/20001

[commit-bot: I haz the power, 2014-03-07 19:00:58]

Change committed as 255673