Add a webkit-patch command which gets a list of relevant try jobs.

third_party/WebKit/Tools/Scripts/webkitpy/tool/multicommandtool_unittest.py

 # Copyright (c) 2009 Google Inc. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 # notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 # copyright notice, this list of conditions and the following disclaimer
@@ skipping 14 matching lines @@
 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 import unittest
 
 from optparse import make_option
 
 from webkitpy.common.system.outputcapture import OutputCapture
 from webkitpy.tool.multicommandtool import MultiCommandTool, TryAgain
-from webkitpy.tool.commands import Command
+from webkitpy.tool.commands.command import Command
 
 
 class TrivialCommand(Command):
     name = "trivial"
     help_text = "help text"
     long_help = "trivial command long help text"
     show_in_main_help = True
 
     def __init__(self, **kwargs):
         super(TrivialCommand, self).__init__(**kwargs)
@@ skipping 109 matching lines @@
         tool = TrivialTool(commands=[command_with_options])
         expected_subcommand_help = """trivial [options]   help text
 
 trivial command long help text
 
 Options:
   --my_option=MY_OPTION
 
 """
         self._assert_tool_main_outputs(tool, ["tool", "help", "trivial"], expected_subcommand_help)