remove DownloadController::SetDefaultDownloadFileName()

remove DownloadController::SetDefaultDownloadFileName()

All download now goes through Chrome's network stack.
Default file name will be determined in download_target_determiner.cc.
As a result, this function is no longer being called.

BUG=647755
Committed: https://crrev.com/2ef8d9323057b8858ce2a17423c393663a803ef1
Cr-Commit-Position: refs/heads/master@{#421586}

[qinmin, 2016-09-27 23:01:41]

qinmin@chromium.org changed reviewers:
+ dfalcantara@chromium.org

[qinmin, 2016-09-27 23:01:42]

PTAL

[gone, 2016-09-28 16:46:31]

lgtm

[qinmin, 2016-09-28 16:50:25]

The CQ bit was checked by qinmin@chromium.org

[commit-bot: I haz the power, 2016-09-28 16:50:45]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-09-28 17:09:13]

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

[commit-bot: I haz the power, 2016-09-28 17:09:14]

Try jobs failed on following builders:
  android_n5x_swarming_rel on master.tryserver.chromium.android (JOB_FAILED,
https://build.chromium.org/p/tryserver.chromium.android/builders/android_n5x_...)

[qinmin, 2016-09-28 17:58:14]

The CQ bit was checked by qinmin@chromium.org

[qinmin, 2016-09-28 17:58:14]

The patchset sent to the CQ was uploaded after l-g-t-m from
dfalcantara@chromium.org
Link to the patchset: https://chromiumcodereview.appspot.com/2374853002/#ps20001
(title: "rebase to fix merge errors")

[commit-bot: I haz the power, 2016-09-28 17:58:46]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-09-28 18:34:52]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-09-28 18:36:55]

Description was changed from

==========
remove DownloadController::SetDefaultDownloadFileName()

All download now goes through Chrome's network stack.
Default file name will be determined in download_target_determiner.cc.
As a result, this function is no longer being called.

BUG=647755
==========

to

==========
remove DownloadController::SetDefaultDownloadFileName()

All download now goes through Chrome's network stack.
Default file name will be determined in download_target_determiner.cc.
As a result, this function is no longer being called.

BUG=647755

Committed: https://crrev.com/2ef8d9323057b8858ce2a17423c393663a803ef1
Cr-Commit-Position: refs/heads/master@{#421586}
==========

[commit-bot: I haz the power, 2016-09-28 18:36:57]

Patchset 2 (id:??) landed as
https://crrev.com/2ef8d9323057b8858ce2a17423c393663a803ef1
Cr-Commit-Position: refs/heads/master@{#421586}