[chopsui] Rename oppressive references to infra/infra branch.

Bug: chromium:1118017, chromium:1118041
Change-Id: I167ed93bf8f3bad699f43bae53f1ca10ef229752
Reviewed-on: https://chromium-review.googlesource.com/c/infra/infra/+/2744019
Reviewed-by: Tiffany Zhang <zhangtiff@chromium.org>
Reviewed-by: Joanna Wang <jojwang@chromium.org>
Commit-Queue: Dave Tu <dtu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#39134}
GitOrigin-RevId: 45c841c831288dbfacf9725abad5a35af8543488
diff --git a/README.md b/README.md
index 200379e..8917e8b 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,7 @@
 2. Authenticate in npm with `npm adduser`.
 
 To publish a new version:
-1. Sync a clean branch with upstream set to `origin/master`.
+1. Sync a clean branch with upstream set to `origin/main`.
 2. Create a new version with `npx lerna version --no-git-tag-version`. Lerna will prompt you to select a new version number, detect which packages have changed since the last version, and locally update the json files.
 3. Commit the changes, upload them for code review, and land them.
 4. Sync to the newly landed commit.
diff --git a/karma-reporter/test-reporter.js b/karma-reporter/test-reporter.js
index 66db20b..ea1c8ad 100644
--- a/karma-reporter/test-reporter.js
+++ b/karma-reporter/test-reporter.js
@@ -4,7 +4,7 @@
 
 // This is a karma reporter that produces test results JSON suitable for
 // uploading to test-results.appspot.com. For more details, see
-// https://chromium.googlesource.com/chromium/src/+/master/docs/testing/json_test_results_format.md
+// https://chromium.googlesource.com/chromium/src/+/main/docs/testing/json_test_results_format.md
 
 const path = require('path');
 const fs = require('fs');