The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/c1081e9467418ca4289f767a625ffbfa0f32f692

commit c1081e9467418ca4289f767a625ffbfa0f32f692
Author: Tommy C. Li <tommycli@chromium.org>
Date: Tue Aug 01 23:45:04 2017

Plugin Power Saver: Remove the same-origin tiny plugin exception flag.

It's been enabled by default for a long time. We're just removing the
feature flag now.

Bug:  749174 
Change-Id: I6cad01d596855c4320e219597789347c63a5b9a6
Reviewed-on: https://chromium-review.googlesource.com/587428
Reviewed-by: Jochen Eisinger <jochen@chromium.org>
Reviewed-by: Raymes Khoury <raymes@chromium.org>
Commit-Queue: Tommy Li <tommycli@chromium.org>
Cr-Commit-Position: refs/heads/master@{#491156}
[modify] https://crrev.com/c1081e9467418ca4289f767a625ffbfa0f32f692/chrome/browser/plugins/flash_permission_browsertest.cc
[modify] https://crrev.com/c1081e9467418ca4289f767a625ffbfa0f32f692/chrome/browser/plugins/plugin_power_saver_browsertest.cc
[modify] https://crrev.com/c1081e9467418ca4289f767a625ffbfa0f32f692/chrome/browser/prerender/prerender_browsertest.cc
[modify] https://crrev.com/c1081e9467418ca4289f767a625ffbfa0f32f692/chrome/renderer/chrome_content_renderer_client.cc
[modify] https://crrev.com/c1081e9467418ca4289f767a625ffbfa0f32f692/chrome/renderer/plugins/power_saver_info.cc
[delete] https://crrev.com/a0679cfb4e4b417ed0fdedb88d0133e5fddd8118/chrome/test/data/plugin_power_saver/same_origin_tiny_plugin.html
[modify] https://crrev.com/c1081e9467418ca4289f767a625ffbfa0f32f692/chrome/test/data/prerender/prerender_plugin_delay_load.html
[modify] https://crrev.com/c1081e9467418ca4289f767a625ffbfa0f32f692/content/public/common/content_features.cc
[modify] https://crrev.com/c1081e9467418ca4289f767a625ffbfa0f32f692/content/public/common/content_features.h
[modify] https://crrev.com/c1081e9467418ca4289f767a625ffbfa0f32f692/content/public/common/content_switches.cc
[modify] https://crrev.com/c1081e9467418ca4289f767a625ffbfa0f32f692/content/renderer/peripheral_content_heuristic.cc
[modify] https://crrev.com/c1081e9467418ca4289f767a625ffbfa0f32f692/content/renderer/peripheral_content_heuristic_unittest.cc

Since we have successfully updated the field trial to include 62, I see no reason to merge this back to 61.