Updating Layout test analyzer to add control to show issue detail or not.

media/tools/layout_tests/test_expectations_history.py

-# Copyright (c) 2011 The Chromium Authors. All rights reserved.
+# 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.
 
 """A module for the history of the test expectation file."""
 
+from datetime import datetime
+from datetime import timedelta
+
 import re
 import sys
 import time
 import pysvn
 
-from datetime import datetime
-from datetime import timedelta
-
 # Default Webkit SVN location for chromium test expectation file.
 # TODO(imasaki): support multiple test expectation files.
 DEFAULT_TEST_EXPECTATION_LOCATION = (
     'http://svn.webkit.org/repository/webkit/trunk/'
     'LayoutTests/platform/chromium/test_expectations.txt')
 
 
-class TestExpectationsHistory:
+class TestExpectationsHistory(object):
   """A class to represent history of the test expectation file.
 
   The history is obtained by calling PySVN.log()/diff() APIs.
 
   TODO(imasaki): Add more functionalities here like getting some statistics
       about the test expectation file.
   """
 
   @staticmethod
   def GetDiffBetweenTimes(start, end, testname_list,
@@ skipping 65 matching lines @@
             if line[0] == '+' or line[0] == '-':
               target_lines.append(line)
       if target_lines:
         # Needs to convert to normal date string for presentation.
         result_list.append((
             old_rev, new_rev, logs[i + 1].author,
             datetime.fromtimestamp(
                 logs[i + 1].date).strftime('%Y-%m-%d %H:%M:%S'),
             logs[i + 1].message, target_lines))
     return result_list