[docs] update links to developer guide

Change-Id: I906654a06f2833c8ca4089aa7eae3bab104f013a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/3020735
Auto-Submit: Johann Koenig <johannkoenig@google.com>
Commit-Queue: Anthony Polito <apolito@google.com>
Reviewed-by: Anthony Polito <apolito@google.com>

WATCHLISTS

@@ -3,7 +3,7 @@
 # found in the LICENSE file.
 
 # Watchlist Rules
-# Refer: http://dev.chromium.org/developers/contributing-code/watchlists
+# Refer: https://chromium.googlesource.com/chromium/src/+/refs/heads/main/docs/infra/watchlists.md
 
 {
 

presubmit_canned_checks.py

@@ -143,13 +143,16 @@ def CheckAuthorizedAuthor(input_api, output_api, bot_allowlist=None):
   if not any(input_api.fnmatch.fnmatch(author.lower(), valid)
              for valid in valid_authors):
     input_api.logging.info('Valid authors are %s', ', '.join(valid_authors))
-    return [error_type(
-        ('%s is not in AUTHORS file. If you are a new contributor, please visit'
-        '\n'
-        'https://www.chromium.org/developers/contributing-code and read the '
-        '"Legal" section\n'
-        'If you are a chromite, verify the contributor signed the CLA.') %
-        author)]
+    return [
+      error_type((
+        # pylint: disable=line-too-long
+        '%s is not in AUTHORS file. If you are a new contributor, please visit\n'
+        'https://chromium.googlesource.com/chromium/src/+/refs/heads/main/docs/contributing.md#Legal-stuff\n'
+        # pylint: enable=line-too-long
+        'and read the "Legal stuff" section\n'
+        'If you are a chromite, verify that the contributor signed the CLA.') %
+          author)
+    ]
   return []