commit b2fa718b0cff37c436964a52c75a78d4fe538b29
author John Mellor <johnme@chromium.org> Fri Oct 09 10:36:16 2015
committer John Mellor <johnme@chromium.org> Fri Oct 09 10:37:40 2015
tree 9ac17e7f2c64f0eaeb280d34743fc5811fe87dd7
parent 9f24461f2849e010d77112c6499e9aa536c16498

Increase Web Notification timeout to 20 seconds

Data from partners suggests this improves re-engagement. We intend to
revisit this in m48 with a Finch experiment.

BUG=530697

Review URL: https://codereview.chromium.org/1395483002

Cr-Commit-Position: refs/heads/master@{#352904}
(cherry picked from commit 07e31a310e07d3aa8a07c45670e70e89094317b7)

Review URL: https://codereview.chromium.org/1395103002 .

Cr-Commit-Position: refs/branch-heads/2526@{#57}
Cr-Branched-From: cb947c0153db0ec02a8abbcb3ca086d88bf6006f-refs/heads/master@{#352221}