[Chromedriver] Add Device Metrics override support to ChromeDriver via Capabilities

chrome/test/chromedriver/embed_mobile_devices_in_cpp.py

Index: chrome/test/chromedriver/embed_mobile_devices_in_cpp.py
diff --git a/chrome/test/chromedriver/embed_mobile_devices_in_cpp.py b/chrome/test/chromedriver/embed_mobile_devices_in_cpp.py
new file mode 100755
index 0000000000000000000000000000000000000000..6cb380676d8cddbbb10b2ec6151a38a2400f32d5
--- /dev/null
+++ b/chrome/test/chromedriver/embed_mobile_devices_in_cpp.py
@@ -0,0 +1,48 @@
+#!/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.
+
+"""Embeds standalone JavaScript snippets in C++ code.
+
+The script requires the OverridesView file from WebKit that lists the known
+mobile devices to be passed in as the only argument. The list of known devices
+will be written to a C-style string to be parsed with JSONReader.
+"""
+
+import optparse
+import os
+import sys
+
+import cpp_source
+
+
+def main():
+  parser = optparse.OptionParser()
+  parser.add_option(
+      '', '--directory', type='string', default='.',
+      help='Path to directory where the cc/h files should be created')
+  options, args = parser.parse_args()
+
+  devices = '['
+  file_name = args[0]
+  inside_list = False
+  with open(file_name, 'r') as f:
+    for line in f:
+      if not inside_list:
+        if 'DeviceTab._phones = [' in line or 'DeviceTab._tablets = [' in line:
+          inside_list = True
+      else:
+        if line.strip() == '];':
+          inside_list = False
+          continue
+        devices += line.strip()
+
+  devices += ']'
+  cpp_source.WriteSource('mobile_device_list',
+                         'chrome/test/chromedriver/chrome',
+                         options.directory, {'kMobileDevices': devices})
+
+
+if __name__ == '__main__':
+  sys.exit(main())