From the log:
01:38:11.043 1529 worker/1 harness-tests/wpt/console_logging.html output stderr lines:
01:38:11.043 1529   [30262:30262:0829/083810.513930:955362285:ERROR:shell_android.cc(72)] Not implemented reached in void content::Shell::PlatformSetTitle(const base::string16 &): Console messages should be completely suppressed in this mock WPT test.
01:38:11.043 1529   CONSOLE MESSAGE: line 7: Single line message
01:38:11.043 1529   CONSOLE MESSAGE: line 8: Multi-line

CC'ing qyearsley@ in case it is related to https://chromium-review.googlesource.com/c/chromium/src/+/639631.

Definitely related; I've got a current CL to fix baselines for a few tests following up after that change, will include it in that CL (https://chromium-review.googlesource.com/c/chromium/src/+/639157).

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/339f48937f0f6e9e9af6c0dfbabd76c177fc690d

commit 339f48937f0f6e9e9af6c0dfbabd76c177fc690d
Author: Quinten Yearsley <qyearsley@google.com>
Date: Wed Aug 30 04:37:12 2017

Follow-up to testharness EOL space stripping CL

Bug:  751952 ,  760186 
Change-Id: I76b4fc7ec70b1a5fe0309fd2cf9e924e1c8424f4
Reviewed-on: https://chromium-review.googlesource.com/639157
Commit-Queue: Quinten Yearsley <qyearsley@chromium.org>
Reviewed-by: Tarun Bansal <tbansal@chromium.org>
Cr-Commit-Position: refs/heads/master@{#498365}
[modify] https://crrev.com/339f48937f0f6e9e9af6c0dfbabd76c177fc690d/third_party/WebKit/LayoutTests/TestExpectations
[delete] https://crrev.com/4026c5c9b67405b44855812e0cff0bfc6be2177d/third_party/WebKit/LayoutTests/external/wpt/2dcontext/imagebitmap/createImageBitmap-drawImage-expected.txt
[modify] https://crrev.com/339f48937f0f6e9e9af6c0dfbabd76c177fc690d/third_party/WebKit/LayoutTests/external/wpt/audio-output/setSinkId.https-expected.txt
[modify] https://crrev.com/339f48937f0f6e9e9af6c0dfbabd76c177fc690d/third_party/WebKit/LayoutTests/external/wpt/html/semantics/embedded-content/media-elements/track/track-element/track-data-url-expected.txt
[modify] https://crrev.com/339f48937f0f6e9e9af6c0dfbabd76c177fc690d/third_party/WebKit/LayoutTests/external/wpt/payment-request/historical.https-expected.txt
[modify] https://crrev.com/339f48937f0f6e9e9af6c0dfbabd76c177fc690d/third_party/WebKit/LayoutTests/external/wpt/service-workers/service-worker/link-element-register-mime-types.https-expected.txt
[modify] https://crrev.com/339f48937f0f6e9e9af6c0dfbabd76c177fc690d/third_party/WebKit/LayoutTests/external/wpt/service-workers/service-worker/link-element-register-scope.https-expected.txt
[modify] https://crrev.com/339f48937f0f6e9e9af6c0dfbabd76c177fc690d/third_party/WebKit/LayoutTests/external/wpt/service-workers/service-worker/link-element-register-script-url.https-expected.txt
[modify] https://crrev.com/339f48937f0f6e9e9af6c0dfbabd76c177fc690d/third_party/WebKit/LayoutTests/external/wpt/service-workers/service-worker/link-element-register-script.https-expected.txt
[modify] https://crrev.com/339f48937f0f6e9e9af6c0dfbabd76c177fc690d/third_party/WebKit/LayoutTests/external/wpt/service-workers/service-worker/link-element-register-security-error.https-expected.txt
[modify] https://crrev.com/339f48937f0f6e9e9af6c0dfbabd76c177fc690d/third_party/WebKit/LayoutTests/external/wpt/service-workers/service-worker/registration-mime-types.https-expected.txt
[modify] https://crrev.com/339f48937f0f6e9e9af6c0dfbabd76c177fc690d/third_party/WebKit/LayoutTests/http/tests/devtools/console/console-format-expected.txt
[modify] https://crrev.com/339f48937f0f6e9e9af6c0dfbabd76c177fc690d/third_party/WebKit/LayoutTests/platform/android/harness-tests/wpt/console_logging-expected.txt
[add] https://crrev.com/339f48937f0f6e9e9af6c0dfbabd76c177fc690d/third_party/WebKit/LayoutTests/platform/linux/http/tests/devtools/console/console-format-expected.txt
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[add] https://crrev.com/339f48937f0f6e9e9af6c0dfbabd76c177fc690d/third_party/WebKit/LayoutTests/platform/linux/virtual/mojo-blobs/external/wpt/service-workers/service-worker/link-element-register-script-url.https-expected.txt
[add] https://crrev.com/339f48937f0f6e9e9af6c0dfbabd76c177fc690d/third_party/WebKit/LayoutTests/platform/linux/virtual/mojo-blobs/external/wpt/service-workers/service-worker/link-element-register-script.https-expected.txt
[add] https://crrev.com/339f48937f0f6e9e9af6c0dfbabd76c177fc690d/third_party/WebKit/LayoutTests/platform/linux/virtual/mojo-blobs/external/wpt/service-workers/service-worker/link-element-register-security-error.https-expected.txt
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[modify] https://crrev.com/339f48937f0f6e9e9af6c0dfbabd76c177fc690d/third_party/WebKit/LayoutTests/platform/linux/virtual/mojo-loading/http/tests/devtools/console/console-uncaught-promise-expected.txt
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[delete] https://crrev.com/4026c5c9b67405b44855812e0cff0bfc6be2177d/third_party/WebKit/LayoutTests/platform/mac-mac10.9/external/wpt/uievents/auxclick/auxclick_event-manual-expected.txt
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[add] https://crrev.com/339f48937f0f6e9e9af6c0dfbabd76c177fc690d/third_party/WebKit/LayoutTests/platform/mac/virtual/mojo-blobs/external/wpt/service-workers/service-worker/link-element-register-script.https-expected.txt
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[add] https://crrev.com/339f48937f0f6e9e9af6c0dfbabd76c177fc690d/third_party/WebKit/LayoutTests/platform/mac/virtual/service-worker-script-streaming/external/wpt/service-workers/service-worker/registration-mime-types.https-expected.txt
[modify] https://crrev.com/339f48937f0f6e9e9af6c0dfbabd76c177fc690d/third_party/WebKit/LayoutTests/platform/win/editing/selection/modify_extend/extend_by_character-expected.txt
[modify] https://crrev.com/339f48937f0f6e9e9af6c0dfbabd76c177fc690d/third_party/WebKit/LayoutTests/platform/win/fast/dom/Range/getClientRects-expected.txt