Disable load completion hacks flag, remove usages of the flag in chromium

Disable load completion hacks flag, remove usages of the flag in chromium

The flag can be removed once the remaining references in blink are removed.

BUG=426520
Committed: https://crrev.com/a914d782e17c9bfdc49428043dc41d0eaa6ca645
Cr-Commit-Position: refs/heads/master@{#307992}

[Nate Chapin, 2014-12-11 18:21:12]

japhet@chromium.org changed reviewers:
+ nasko@chromium.org

[Nate Chapin, 2014-12-11 18:21:13]

nasko: PTAL at the content/shell/ changes.

https://codereview.chromium.org/707173003/diff/60001/content/shell/renderer/t...
File content/shell/renderer/test_runner/web_test_proxy.cc (left):

https://codereview.chromium.org/707173003/diff/60001/content/shell/renderer/t...
content/shell/renderer/test_runner/web_test_proxy.cc:1270: // Quirk for MHTML
prematurely completing on resource load completion.
I found the bugs that required this quirk, the last of which was fixed in
http://src.chromium.org/viewvc/blink?view=revision&revision=186887

[Nate Chapin, 2014-12-11 18:22:22]

japhet@chromium.org changed reviewers:
+ thakis@chromium.org

[Nate Chapin, 2014-12-11 18:22:22]

thakis, would you mind rubber-stamping this flag change in build/common.gypi?
It's a temporary flag that will be deleted once its usage in blink is removed.

[nasko, 2014-12-11 18:24:50]

content/shell LGTM

[Nico, 2014-12-11 18:35:54]

build/ lgtm

[Nate Chapin, 2014-12-11 18:36:34]

The CQ bit was checked by japhet@chromium.org

[commit-bot: I haz the power, 2014-12-11 18:37:39]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/707173003/60001

[commit-bot: I haz the power, 2014-12-11 23:11:16]

Committed patchset #4 (id:60001)

[commit-bot: I haz the power, 2014-12-11 23:11:59]

Patchset 4 (id:??) landed as
https://crrev.com/a914d782e17c9bfdc49428043dc41d0eaa6ca645
Cr-Commit-Position: refs/heads/master@{#307992}