Convert Gitiles host into Gerrit host in roll_chromium_deps

Bug: 452840620
Change-Id: I965b5cf068da4d9b1649f3adaafbaafd3652741c
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/325475
Commit-Queue: Brian Sheedy <bsheedy@google.com>
Reviewed-by: Brian Sheedy <bsheedy@google.com>
Auto-Submit: Yuly Novikov <ynovikov@chromium.org>

scripts/roll_chromium_deps.py

diff --git a/scripts/roll_chromium_deps.py b/scripts/roll_chromium_deps.py
index 791c222..444d3e7 100755
--- a/scripts/roll_chromium_deps.py
+++ b/scripts/roll_chromium_deps.py
@@ -371,6 +371,10 @@
     """Adapter to extract auth headers from gerrit_util."""
 
     def __init__(self, host: str, uri: str):
+        # Convert Gitiles host into Gerrit host
+        if "review" not in host:
+            subdomain, domain = host.split(".", 1)
+            host = f"{subdomain}-review.{domain}"
         self.req_host = host
         self.req_uri = uri
         self.req_headers = {}