Move Dartium reference build scripts to dartium_tools/perf

tools/bots/fetch_reference_build.py

+#!/usr/bin/env python
+#
+# Copyright (c) 2014 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.
+
+"""Fetches an archived chromium build into
+  src/chrome/tools/test/reference_build unless
+  src/chrome/tools/test/reference_build/REQUESTED_REVISION is the same as
+  src/chrome/tools/test/reference_build/CURRENT_REVISION.
+  Must be run from the root of a Dartium or multivm checkout.
+
+Usage:
+  $ ./src/dart/tools/bots/fetch_reference_build_revision.py
+"""
+
+import os
+import subprocess
+import sys
+
+def main(argv):
+  dirname = os.path.join('src', 'chrome', 'tools',
+                        'test', 'reference_build')
+  request = os.path.join(dirname, 'REQUESTED_REVISION')
+  found = os.path.join(dirname, 'CURRENT_REVISION')
+  if not os.path.exists(request):
+    return
+  with file(request, 'r') as f:
+    request_revision = f.read()
+
+  if os.path.exists(found):
+    with file(found, 'r') as f:
+      found_revision = f.read()
+    if found_revision == request_revision:
+      return
+
+  get_script = os.path.join('src', 'dart', 'tools',
+                            'bots', 'get_chromium_build.py')
+  get_script = os.path.abspath(get_script)
+  exit_code = subprocess.call(['python', get_script,
+                               '-r', request_revision,
+                               '-t', dirname])
+  if exit_code == 0:
+    with file(found, 'w') as f:
+      f.write(request_revision)
+  return exit_code
+
+if __name__ == '__main__':
+  sys.exit(main(sys.argv))