Reduce boilerplate when creating simple mojom::URLLoaders.

Reduce boilerplate when creating simple mojom::URLLoaders.

Add new constructors for mojo::DataPipe and content::ResourceRequestCompletionStatus to do this.

BUG=717714
Review-Url: https://codereview.chromium.org/2875143002
Cr-Commit-Position: refs/heads/master@{#471129}
Committed: https://chromium.googlesource.com/chromium/src/+/d3c312ef5df1fb4a6079c9df932adfcf295d880c

[jam, 2017-05-11 20:12:38]

The CQ bit was checked by jam@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2017-05-11 20:13:36]

Dry run: CQ is trying da patch.

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

[jam, 2017-05-11 20:17:44]

jam@chromium.org changed reviewers:
+ rockot@chromium.org

[Ken Rockot(use gerrit already), 2017-05-11 20:56:38]

lgtm

[commit-bot: I haz the power, 2017-05-11 22:49:35]

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

[commit-bot: I haz the power, 2017-05-11 22:49:36]

Dry run: 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_...)

[jam, 2017-05-11 23:04:23]

The CQ bit was checked by jam@chromium.org

[commit-bot: I haz the power, 2017-05-11 23:05:13]

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, 2017-05-11 23:58:38]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1494543863887930, "parent_rev":
"68edd5fc2eb0f6ccdf0680870f89471f5e5ecfa4", "commit_rev":
"d3c312ef5df1fb4a6079c9df932adfcf295d880c"}

[commit-bot: I haz the power, 2017-05-11 23:58:47]

Description was changed from

==========
Reduce boilerplate when creating simple mojom::URLLoaders.

Add new constructors for mojo::DataPipe and
content::ResourceRequestCompletionStatus to do this.

BUG=717714
==========

to

==========
Reduce boilerplate when creating simple mojom::URLLoaders.

Add new constructors for mojo::DataPipe and
content::ResourceRequestCompletionStatus to do this.

BUG=717714

Review-Url: https://codereview.chromium.org/2875143002
Cr-Commit-Position: refs/heads/master@{#471129}
Committed:
https://chromium.googlesource.com/chromium/src/+/d3c312ef5df1fb4a6079c9df932a...
==========

[commit-bot: I haz the power, 2017-05-11 23:58:48]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/d3c312ef5df1fb4a6079c9df932a...