[telemetry] Restore --reset-html-results option and rename to --reset-results

tools/telemetry/telemetry/page/results_options.py

Index: tools/telemetry/telemetry/page/results_options.py
diff --git a/tools/telemetry/telemetry/page/results_options.py b/tools/telemetry/telemetry/page/results_options.py
index 4d8471f141ebb5ec14b977d31c1f63c95b77ff8f..dde90167e3f9c25307538ef4f51fcdc7cf23feff 100644
--- a/tools/telemetry/telemetry/page/results_options.py
+++ b/tools/telemetry/telemetry/page/results_options.py
@@ -33,6 +33,8 @@ def AddResultsOptions(parser):
   group.add_option('--output-trace-tag',
                     default='',
                     help='Append a tag to the key of each result trace.')
+  group.add_option('--reset-results', action='store_true',
+                    help='Delete all stored results.')
   parser.add_option_group(group)
 
 
@@ -73,8 +75,8 @@ def PrepareResults(test, options):
     return gtest_test_results.GTestTestResults(output_stream)
   elif options.output_format == 'html':
     return html_page_measurement_results.HtmlPageMeasurementResults(
-        output_stream, test.__class__.__name__, options.browser_type,
-        trace_tag=options.output_trace_tag)
+        output_stream, test.__class__.__name__, options.reset_results,
+        options.browser_type, trace_tag=options.output_trace_tag)
   else:
     # Should never be reached. The parser enforces the choices.
     raise Exception('Invalid --output-format "%s". Valid choices are: %s'