Use underscores to separate words in filenames in webkitpy.

third_party/WebKit/Tools/Scripts/webkitpy/common/system/workspace_unittest.py

 # Copyright (C) 2010 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 11 matching lines @@
 # 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 unittest
 
 from webkitpy.common.system.filesystem_mock import MockFileSystem
-from webkitpy.common.system.outputcapture import OutputCapture
+from webkitpy.common.system.output_capture import OutputCapture
 from webkitpy.common.system.workspace import Workspace
 from webkitpy.common.system.executive_mock import MockExecutive
 
 
 class WorkspaceTest(unittest.TestCase):
 
     def test_find_unused_filename(self):
         filesystem = MockFileSystem({
             "dir/foo.jpg": "",
             "dir/foo-1.jpg": "",
@@ skipping 26 matching lines @@
 output: MOCK output of child process
 """
 
         class MockZipFile(object):
 
             def __init__(self, path):
                 self.filename = path
         archive = OutputCapture().assert_outputs(self, workspace.create_zip, [
             "/zip/path", "/source/path", MockZipFile], expected_logs=expected_logs)
         self.assertIsNone(archive)