Chrome Version: 73.0.3665.0 (Official Build) Revision	629bcca8b1de535bfd36b12e4a3cb7c1b07c9e48-refs/branch-heads/3665@{#1} (32/64-bit)
OS: Windows (7, 8, 8.1, 10), Mac(10.13.1, 10.13.6, 10.14.3) & Linux(14.04 LTS).

What steps will reproduce the problem?
1. Launch Chrome, open DevTools and go to Settings page >> Preferences >> Appearance >> select 'Dark' theme from drop-down list.
2. Again go to 'Settings' page and click on 'Add pattern' button under "Blackboxing" section to open the patterns forms.
3. Now type any keyword (For Ex: Chrome Testing) in 'Pattern' text-box, select the texts using mouse pointer or via keyboard and observe.

Actual: Selection highlight color is not visible properly and it's very hard to recognize the selected text.
Expected: Selection highlight color should visible properly.

This is a regression issue, broken in M-73 series, below is manual regression range:

Good build: 73.0.3648.0 (Revision: 618636)
Bad build: 73.0.3649.0 (Revision: 618770)

You are probably looking for a change made after 618700 (known good), but no later than 618701 (first known bad).
CHANGELOG URL:
The script might not always return single CL as suspect as some perf builds might get missing due to failure.
  https://chromium.googlesource.com/chromium/src/+log/b06974abd43560ae11fe5a98fa63245d0fe3d5f8..6b6debfc317059bbe69de528507b9b397333a612

Suspecting: https://chromium.googlesource.com/chromium/src/+/6b6debfc317059bbe69de528507b9b397333a612

@pfeldman: Could you please check whether this is caused with respect to your change, if not please help us in assigning it to the right owner.

Kindly review the attached screen-cast for reference.

Thank you.
 

Deleted: Selection_Highlight Screenshot.png 7.3 KB

	Selection_Highlight Screenshot.png 7.3 KB View Download

Deleted: Actual behavior.mp4 1.0 MB

	Actual behavior.mp4 1.0 MB View Download

Deleted: Expected behavior.mp4 691 KB

	Expected behavior.mp4 691 KB View Download