Remove thirdparty/unittest2 from webkitpy and require python2.7.

Tools/Scripts/webkitpy/test/printer.py

 # Copyright (C) 2012 Google, Inc.
 # Copyright (C) 2010 Chris Jerdonek (cjerdonek@webkit.org)
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions
 # are met:
 # 1.  Redistributions of source code must retain the above copyright
 #     notice, this list of conditions and the following disclaimer.
 # 2.  Redistributions in binary form must reproduce the above copyright
 #     notice, this list of conditions and the following disclaimer in the
 #     documentation and/or other materials provided with the distribution.
 #
 # THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND
 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 # DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR
 # ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 # SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 # CAUSED AND ON ANY 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 StringIO
 import logging
-import StringIO
 
+from webkitpy.common.system import outputcapture
 from webkitpy.common.system.systemhost import SystemHost
 from webkitpy.layout_tests.views.metered_stream import MeteredStream
 
 _log = logging.getLogger(__name__)
 
 
 class Printer(object):
     def __init__(self, stream, options=None):
         self.stream = stream
         self.meter = None
@@ skipping 58 matching lines @@
 
         testing_filter = logging.Filter()
         testing_filter.filter = filter_records
 
         # Display a message so developers are not mystified as to why
         # logging does not work in the unit tests.
         _log.info("Suppressing most webkitpy logging while running unit tests.")
         handler.addFilter(testing_filter)
 
         if self.options.pass_through:
-            # FIXME: Can't import at top of file, as outputcapture needs unittest2
-            from webkitpy.common.system import outputcapture
             outputcapture.OutputCapture.stream_wrapper = _CaptureAndPassThroughStream
 
     def write_update(self, msg):
         self.meter.write_update(msg)
 
     def print_started_test(self, source, test_name):
         self.running_tests.append(test_name)
         if len(self.running_tests) > 1:
             suffix = ' (+%d)' % (len(self.running_tests) - 1)
         else:
@@ skipping 87 matching lines @@
         import inspect
         import pdb
         stack = inspect.stack()
         return any(frame[1] == pdb.__file__.replace('.pyc', '.py') for frame in stack)
 
     def flush(self):
         self._stream.flush()
 
     def getvalue(self):
         return self._buffer.getvalue()