Fix for single line file modification

testing_support/patches_data.py

 # 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.
 
 """Samples patches to test patch.py."""
 
 
 class RAW(object):
   PATCH = (
       'Index: chrome/file.cc\n'
@@ skipping 94 matching lines @@
       '       <message name="IDS_ACCNAME_WEB_CONTENTS" desc="The acces...\n'
       '         Web Contents\n'
       '       </message>\n'
       '-      <message name="IDS_ACCNAME_SIDE_BAR" desc="The acces...\n'
       '-        Sidebar\n'
       '-      </message>\n'
       ' \n'
       '       <!-- Browser Hung Plugin Detector -->\n'
       '       <message name="IDS_UNKNOWN_PLUGIN_NAME" ...\n')
 
+  # http://codereview.chromium.org/download/issue9091003_9005_8009.diff
+  DIFFERENT = (
+      'Index: master/unittests/data/processes-summary.dat\n'
+      '===================================================================\n'
+      '--- master/unittests/data/processes-summary.dat\t(revision 116240)\n'
+      '+++ master/unittests/data/processes-summary.dat\t(working copy)\n'
+      '@@ -1 +1 @@\n'
+      '-{"traces": {"1t_proc": ["2.0", "0.0"], "1t_proc_ref": ["1.0", ...\n'
+      '+{"traces": {"1t_proc": ["2.0", "0.0"], "1t_proc_ref": ["1.0", ...\n')
+
+
 class GIT(object):
   """Sample patches generated by git diff."""
   PATCH = (
       'diff --git a/chrome/file.cc b/chrome/file.cc\n'
       'index 0e4de76..8320059 100644\n'
       '--- a/chrome/file.cc\n'
       '+++ b/chrome/file.cc\n'
       '@@ -3,6 +3,7 @@ bb\n'
       ' ccc\n'
       ' dd\n'
@@ skipping 173 matching lines @@
       ' \n'
       '   def GenerateScmDiff(self):\n'
       '-    return scm.GIT.GenerateDiff(self._local_root, files=[self.Lo...\n'
       '+    if self._diff is None:\n'
       '+      self._diff = scm.GIT.GenerateDiff(\n'
       '+          self._local_root, files=[self.LocalPath(),])\n'
       '+    return self._diff\n'
       ' \n'
       ' \n'
       ' class Change(object):\n')