Get rid of the single test_case code path.

run_test_cases.py

Index: run_test_cases.py
diff --git a/run_test_cases.py b/run_test_cases.py
index a9c8febc764d1f29ee9d2faf30ae88d9d28da9b2..1bf62d2c6147bb02b784acd31cf206fe0d3aecfa 100755
--- a/run_test_cases.py
+++ b/run_test_cases.py
@@ -850,23 +850,8 @@ class Runner(object):
     # TODO(maruel): Be more intelligent than decoding to ascii.
     utf8_output = output.decode('ascii', 'ignore').encode('utf-8')
 
-    if len(test_cases) > 1:
-      data = process_output(
-          utf8_output.splitlines(True), test_cases)
-      data = normalize_testing_time(data, duration, returncode)
-    else:
-      if '[ RUN      ]' not in output:
-        # Can't find gtest marker, mark it as invalid.
-        returncode = returncode or 1
-      data = [
-        {
-          'test_case': test_cases[0],
-          'returncode': returncode,
-          'duration': duration,
-          'output': utf8_output,
-        }
-      ]
-
+    data = process_output(utf8_output.splitlines(True), test_cases)
+    data = normalize_testing_time(data, duration, returncode)
     data = chromium_filter_tests(data)
 
     if sys.platform == 'win32':