Fix Firefox download mechanism.

Fix Firefox download mechanism.

This pulls the new mozdownload as well as requests (which is required
by the new mozdownload), and updates our scripts as necessary.

BUG=545862
R=kjellander@chromium.org

Committed: https://chromium.googlesource.com/chromium/deps/webrtc/webrtc.DEPS/+/00d2c0ecc72c6d60636f98ff7d168fd866d78fd0

[phoglund_chromium, 2015-11-17 16:35:54]

phoglund@chromium.org changed reviewers:
+ kjellander@chromium.org

[kjellander_chromium, 2015-11-18 06:53:50]

lgtm with nits.

https://codereview.chromium.org/1457493002/diff/1/download_firefox_nightly.py
File download_firefox_nightly.py (right):

https://codereview.chromium.org/1457493002/diff/1/download_firefox_nightly.py...
download_firefox_nightly.py:23: sys.path.append(os.path.join(THIRD_PARTY_DIR,
'requests'))
nit: sort alphabetically

https://codereview.chromium.org/1457493002/diff/1/download_firefox_nightly.py...
download_firefox_nightly.py:27: from mozdownload import scraper
nit: sort alphabetically

[phoglund_chromium, 2015-11-18 14:03:37]

https://codereview.chromium.org/1457493002/diff/1/download_firefox_nightly.py
File download_firefox_nightly.py (right):

https://codereview.chromium.org/1457493002/diff/1/download_firefox_nightly.py...
download_firefox_nightly.py:23: sys.path.append(os.path.join(THIRD_PARTY_DIR,
'requests'))
On 2015/11/18 06:53:50, kjellander (chromium) wrote:
> nit: sort alphabetically

Done.

https://codereview.chromium.org/1457493002/diff/1/download_firefox_nightly.py...
download_firefox_nightly.py:27: from mozdownload import scraper
On 2015/11/18 06:53:50, kjellander (chromium) wrote:
> nit: sort alphabetically

Done.

[phoglund_chromium, 2015-11-18 14:07:38]

Committed patchset #3 (id:40001) manually as
00d2c0ecc72c6d60636f98ff7d168fd866d78fd0 (presubmit successful).