DRP: Do not fetch warm up URL on offline connections

DRP: Do not fetch warm up URL on offline connections

This CL makes a change to not fetch preconnect / warmup URL for data
reduction proxy (DRP) if the connectivity is unavailable.

BUG=691620
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.android:android_cronet_tester

Review-Url: https://codereview.chromium.org/2687193006
Cr-Commit-Position: refs/heads/master@{#450589}
(cherry picked from commit 73319e0970ff6421af9ebd06e6cef8de27a8d42b)

Review-Url: https://codereview.chromium.org/2700203002 .
Cr-Commit-Position: refs/branch-heads/2987@{#578}
Cr-Branched-From: ad51088c0e8776e8dcd963dbe752c4035ba6dab6-refs/heads/master@{#444943}
Committed: https://chromium.googlesource.com/chromium/src/+/ab7e6d815208554d8f61e4b2623e4f4697c731fb

[tbansal1, 2017-02-17 20:20:24]

Description was changed from

==========
DRP: Do not fetch warm up URL on offline connections

This CL makes a change to not fetch preconnect / warmup URL for data
reduction proxy (DRP) if the connectivity is unavailable.

BUG=691620
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.android:android_cronet_tester

Review-Url: https://codereview.chromium.org/2687193006
Cr-Commit-Position: refs/heads/master@{#450589}
(cherry picked from commit 73319e0970ff6421af9ebd06e6cef8de27a8d42b)
==========

to

==========
DRP: Do not fetch warm up URL on offline connections

This CL makes a change to not fetch preconnect / warmup URL for data
reduction proxy (DRP) if the connectivity is unavailable.

BUG=691620
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.android:android_cronet_tester

Review-Url: https://codereview.chromium.org/2687193006
Cr-Commit-Position: refs/heads/master@{#450589}
(cherry picked from commit 73319e0970ff6421af9ebd06e6cef8de27a8d42b)

Review-Url: https://codereview.chromium.org/2700203002 .
Cr-Commit-Position: refs/branch-heads/2987@{#578}
Cr-Branched-From:
ad51088c0e8776e8dcd963dbe752c4035ba6dab6-refs/heads/master@{#444943}
Committed:
https://chromium.googlesource.com/chromium/src/+/ab7e6d815208554d8f61e4b2623e...
==========

[tbansal1, 2017-02-17 20:20:25]

Committed patchset #1 (id:1) manually as
ab7e6d815208554d8f61e4b2623e4f4697c731fb.