Remove unused imports in webkitpy.

third_party/WebKit/Tools/Scripts/webkitpy/common/net/layouttestresults_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.net.layouttestresults import LayoutTestResults
-from webkitpy.common.system.outputcapture import OutputCapture
-from webkitpy.layout_tests.models import test_results
-from webkitpy.layout_tests.models import test_failures
-from webkitpy.thirdparty.BeautifulSoup import BeautifulSoup
 
 
 class LayoutTestResultsTest(unittest.TestCase):
     # The real files have no whitespace, but newlines make this much more readable.
     example_full_results_json = """ADD_RESULTS({
     "tests": {
         "fast": {
             "dom": {
                 "prototype-inheritance.html": {
                     "expected": "PASS",
@@ skipping 53 matching lines @@
         self.assertFalse(LayoutTestResults.results_from_string('ADD_RESULTS({"tests":{},"interrupted":false});').run_was_interrupted())
 
     def test_chromium_revision(self):
         self.assertEqual(LayoutTestResults.results_from_string(self.example_full_results_json).chromium_revision(), 1234)
 
     def test_actual_results(self):
         results = LayoutTestResults.results_from_string(self.example_full_results_json)
         self.assertEqual(results.actual_results("fast/dom/prototype-banana.html"), "PASS")
         self.assertEqual(results.actual_results("fast/dom/prototype-taco.html"), "PASS TEXT")
         self.assertEqual(results.actual_results("nonexistant.html"), "")