All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=795772

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=54219a1b4d5a6493599fa2d8be99757564f5c3ff22146edaff229bc2fa9cab72


Bot(s) for this bug's original alert(s):

android-nexus5

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8959854779388278384

=== BISECT JOB RESULTS ===
Perf regression found with culprit

Suspected Commit
  Author : Eric Karl
  Commit : 7452277311e15a3459b4fb6fa428840c6afde4df
  Date   : Sat Dec 16 21:42:32 2017
  Subject: Revert "Remove use of DeferredTextureImageData APIs and Support Decode to Scale"

Bisect Details
  Configuration: android_nexus5_perf_bisect
  Benchmark    : thread_times.key_mobile_sites_smooth
  Metric       : thread_raster_cpu_time_per_frame/http___slashdot.org_
  Change       : 5.87% | 0.622573571178 -> 0.659088147724

Revision             Result                     N
chromium@524612      0.622574 +- 0.0109806      6      good
chromium@524613      0.657721 +- 0.0130587      6      bad       <--
chromium@524614      0.657004 +- 0.0177816      6      bad
chromium@524615      0.659088 +- 0.012581       6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=http...slashdot.org. thread_times.key_mobile_sites_smooth

More information on addressing performance regressions:
  http://g.co/ChromePerformanceRegressions

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8959854779388278384


For feedback, file a bug with component Speed>Bisection