Revert 288541 "For consistency with benchmark, rename unittest.o..."

tools/chrome_proxy/run_tests

Index: tools/chrome_proxy/run_tests
===================================================================
--- tools/chrome_proxy/run_tests	(revision 288706)
+++ tools/chrome_proxy/run_tests	(working copy)
@@ -14,13 +14,13 @@
 sys.path.append(os.path.join(os.path.dirname(__file__), os.pardir, 'telemetry'))
 sys.path.append(os.path.join(os.path.dirname(__file__), os.pardir, 'perf'))
 
-from telemetry.unittest import gtest_progress_reporter
+from telemetry.unittest import gtest_output_formatter
 from telemetry.unittest import run_tests
 
 
 if __name__ == '__main__':
   base_dir = os.path.dirname(os.path.realpath(__file__))
-  progress_reporters = [
-      gtest_progress_reporter.GTestProgressReporter(sys.stdout)]
-  run_tests.config = run_tests.Config(base_dir, [base_dir], progress_reporters)
+  output_formatters = [
+      gtest_output_formatter.GTestOutputFormatter(sys.stdout)]
+  run_tests.config = run_tests.Config(base_dir, [base_dir], output_formatters)
   sys.exit(run_tests.RunTestsCommand.main())