Switch codereview.settings to git.

R=vadimsh@chromium.org
BUG=263848

Review URL: https://codereview.chromium.org/505433003

Cr-Commit-Position: refs/heads/master@{#291562}

codereview.settings

 # This file is used by gcl to get repository specific information.
 CODE_REVIEW_SERVER: codereview.chromium.org
 CC_LIST: chromium-reviews@chromium.org
-VIEW_VC: https://src.chromium.org/viewvc/chrome?view=rev&revision=
+VIEW_VC: https://chromium.googlesource.com/chromium/src/+/
 STATUS: http://chromium-status.appspot.com/status
 TRY_ON_UPLOAD: True
 TRYSERVER_SVN_URL: svn://svn.chromium.org/chrome-try/try
@@ -9,3 +9,4 @@ GITCL_PREUPLOAD: http://src.chromium.org/viewvc/trunk/tools/depot_tools/git-cl-u
 GITCL_PREDCOMMIT: http://src.chromium.org/viewvc/trunk/tools/depot_tools/git-cl-upload-hook?revision=HEAD&root=chrome
 LINT_IGNORE_REGEX: webkit/api/.*
 PROJECT: chromium
+PENDING_REF_PREFIX: refs/pending/