Telemetry: allow user to specify source type for synthetic gestures.

tools/telemetry/telemetry/core/browser_options.py

 # 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.
 
 import copy
 import logging
 import optparse
 import os
 import shlex
 import sys
@@ skipping 250 matching lines @@
     group.add_option('--show-stdout',
         action='store_true',
         help='When possible, will display the stdout of the process')
     parser.add_option_group(group)
 
     group = optparse.OptionGroup(parser, 'Compatibility options')
     group.add_option('--gtest_output',
         help='Ignored argument for compatibility with runtest.py harness')
     parser.add_option_group(group)
 
+    group = optparse.OptionGroup(parser, 'Synthetic gesture options')
+    synthetic_gesture_source_type_choices = [ 'default', 'mouse', 'touch' ]
+    group.add_option('--synthetic-gesture-source-type',
+        dest='synthetic_gesture_source_type',
+        default='default', type='choice',
+        choices=synthetic_gesture_source_type_choices,
+        help='Specify the source type for synthetic gestures. Note that some ' +
+             'actions only support a specific source type. ' +
+             'Supported values: ' +
+             ', '.join(synthetic_gesture_source_type_choices))
+    parser.add_option_group(group)
+
 
   def UpdateFromParseResults(self, finder_options):
     """Copies our options from finder_options"""
     browser_options_list = [
         'extra_browser_args_as_string',
         'extra_wpr_args_as_string',
         'netsim',
         'profile_dir',
         'profile_type',
         'show_stdout',
+        'synthetic_gesture_source_type',
         ]
     for o in browser_options_list:
       a = getattr(finder_options, o, None)
       if a is not None:
         setattr(self, o, a)
         delattr(finder_options, o)
 
     self.browser_type = finder_options.browser_type
 
     if hasattr(self, 'extra_browser_args_as_string'): # pylint: disable=E1101
@@ skipping 28 matching lines @@
 
   @property
   def extra_browser_args(self):
     return self._extra_browser_args
 
   def AppendExtraBrowserArgs(self, args):
     if isinstance(args, list):
       self._extra_browser_args.update(args)
     else:
       self._extra_browser_args.add(args)