Remove SVN (and dcommit) support from git-cl

tests/save-description-on-failure.sh

 #!/usr/bin/env bash
 
 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # We should save a change's description when an upload fails.
 
 set -e
 
 . ./test-lib.sh
 
 # Back up any previously-saved description the user might have.
 BACKUP_FILE="$HOME/.git_cl_description_backup"
 BACKUP_FILE_TMP="$BACKUP_FILE.tmp"
 if [ -e "$BACKUP_FILE" ]; then
   mv "$BACKUP_FILE" "$BACKUP_FILE_TMP"
 fi
 
-setup_initgit
-setup_gitgit
+setup_git_remote
+setup_git_checkout
 
 (
   set -e
-  cd git-git
+  cd git_checkout
 
   DESC="this is the description"
 
   # Create a branch and check in a file.
   git checkout -q --track -b work origin
   echo foo >> test
   git add test; git commit -q -m "$DESC"
 
   # Try to upload the change to an unresolvable hostname; git-cl should fail.
   export GIT_EDITOR=$(which true)
@@ skipping 12 matching lines @@
 
 # Restore the previously-saved description.
 rm -f "$BACKUP_FILE"
 if [ -e "$BACKUP_FILE_TMP" ]; then
   mv "$BACKUP_FILE_TMP" "$BACKUP_FILE"
 fi
 
 if [ $SUCCESS == 0 ]; then
   echo PASS
 fi