Adding passing rate in stats csv file in the layout test analyzer.

Review URL: http://codereview.chromium.org/8539024

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@109725 0039d316-1c4b-4281-b951-d872f2087c98

media/tools/layout_tests/layouttest_analyzer_helpers.py

@@ -146,9 +146,9 @@ class AnalyzerResultMap:
      a tuple of stats and issues_txt
         stats: analyzer result in CSV format that shows:
           (current_time, the number of tests, the number of skipped tests,
-           the number of failing tests)
+           the number of failing tests, passing rate)
           For example,
-            "2011-11-10-15,204,22,12"
+            "2011-11-10-15,204,22,12,94"
         issues_txt: issues listed in CSV format that shows:
           (BUGWK or BUGCR, bug number, the test expectation entry,
            the name of the test)
@@ -158,7 +158,8 @@ class AnalyzerResultMap:
    """
    stats = ','.join([current_time, str(len(self.result_map['whole'].keys())),
                      str(len(self.result_map['skip'].keys())),
-                     str(len(self.result_map['nonskip'].keys()))])
+                     str(len(self.result_map['nonskip'].keys())),
+                     str(self.GetPassingRate())])
    issues_txt = ''
    for bug_txt, test_info_list in (
        self.GetListOfBugsForNonSkippedTests().iteritems()):

media/tools/layout_tests/layouttest_analyzer_helpers_unittest.py

@@ -188,7 +188,7 @@ class TestLayoutTestAnalyzerHelpers(unittest.TestCase):
     analyzerResultMapBase = (
         layouttest_analyzer_helpers.AnalyzerResultMap.Load(file_path))
     data, issues_txt = analyzerResultMapBase.ConvertToCSVText('11-10-10-2011')
-    self.assertEquals(data, '11-10-10-2011,204,36,10')
+    self.assertEquals(data, '11-10-10-2011,204,36,10,95')
     expected_issues_txt = """\
 BUGWK,66310,TEXT PASS,media/media-blocked-by-beforeload.html,DEBUG TEXT PASS,\
 media/video-source-error.html,