FYI - the old WPR API is going to be unavailable after EOQ, hence the urgency with this. The migration should be pretty simple, but let us know if you run into issues or have questions. IIUC, Ned has sent an email about how this will work, but there may still be open questions.

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/93a6187a2468075aa9a29e631e4926ce4bfabf3f

commit 93a6187a2468075aa9a29e631e4926ce4bfabf3f
Author: Ting-Yuan Huang <laszio@chromium.org>
Date: Fri Aug 18 02:40:22 2017

Convert page cycler archives to wprgo

R=nednguyen@chromium.org

Bug:  755490 
Test: page_cycler_v2.*
Change-Id: Ib92382bf4be3f5f4dbf835b8b168ae305c917681
Reviewed-on: https://chromium-review.googlesource.com/620026
Reviewed-by: Ned Nguyen <nednguyen@google.com>
Commit-Queue: Ting-Yuan Huang <laszio@chromium.org>
Cr-Commit-Position: refs/heads/master@{#495436}
[modify] https://crrev.com/93a6187a2468075aa9a29e631e4926ce4bfabf3f/tools/perf/page_sets/data/intl_ar_fa_he.json
[delete] https://crrev.com/366f54cdaee08948e36f8336fa4b058bba84fda1/tools/perf/page_sets/data/intl_ar_fa_he_000.wpr.sha1
[add] https://crrev.com/93a6187a2468075aa9a29e631e4926ce4bfabf3f/tools/perf/page_sets/data/intl_ar_fa_he_000.wprgo.sha1
[modify] https://crrev.com/93a6187a2468075aa9a29e631e4926ce4bfabf3f/tools/perf/page_sets/data/intl_es_fr_pt-BR.json
[delete] https://crrev.com/366f54cdaee08948e36f8336fa4b058bba84fda1/tools/perf/page_sets/data/intl_es_fr_pt-BR_000.wpr.sha1
[add] https://crrev.com/93a6187a2468075aa9a29e631e4926ce4bfabf3f/tools/perf/page_sets/data/intl_es_fr_pt-BR_000.wprgo.sha1
[modify] https://crrev.com/93a6187a2468075aa9a29e631e4926ce4bfabf3f/tools/perf/page_sets/data/intl_hi_ru.json
[delete] https://crrev.com/366f54cdaee08948e36f8336fa4b058bba84fda1/tools/perf/page_sets/data/intl_hi_ru_000.wpr.sha1
[add] https://crrev.com/93a6187a2468075aa9a29e631e4926ce4bfabf3f/tools/perf/page_sets/data/intl_hi_ru_000.wprgo.sha1
[modify] https://crrev.com/93a6187a2468075aa9a29e631e4926ce4bfabf3f/tools/perf/page_sets/data/intl_ja_zh.json
[delete] https://crrev.com/366f54cdaee08948e36f8336fa4b058bba84fda1/tools/perf/page_sets/data/intl_ja_zh_000.wpr.sha1
[add] https://crrev.com/93a6187a2468075aa9a29e631e4926ce4bfabf3f/tools/perf/page_sets/data/intl_ja_zh_000.wprgo.sha1
[modify] https://crrev.com/93a6187a2468075aa9a29e631e4926ce4bfabf3f/tools/perf/page_sets/data/intl_ko_th_vi.json
[delete] https://crrev.com/366f54cdaee08948e36f8336fa4b058bba84fda1/tools/perf/page_sets/data/intl_ko_th_vi_000.wpr.sha1
[add] https://crrev.com/93a6187a2468075aa9a29e631e4926ce4bfabf3f/tools/perf/page_sets/data/intl_ko_th_vi_000.wprgo.sha1
[modify] https://crrev.com/93a6187a2468075aa9a29e631e4926ce4bfabf3f/tools/perf/page_sets/data/typical_25.json
[delete] https://crrev.com/366f54cdaee08948e36f8336fa4b058bba84fda1/tools/perf/page_sets/data/typical_25_002.wpr.sha1
[add] https://crrev.com/93a6187a2468075aa9a29e631e4926ce4bfabf3f/tools/perf/page_sets/data/typical_25_002.wprgo.sha1

The NextAction date has arrived: 2017-08-23