Rename startup_tests.py Telemetry test to startup_benchmark.py

tools/perf/perf_tools/startup_tests.py

Index: tools/perf/perf_tools/startup_tests.py
diff --git a/tools/perf/perf_tools/startup_tests.py b/tools/perf/perf_tools/startup_tests.py
deleted file mode 100644
index abd3eb0a7ec4e5c8bde0c9ad0c0b61edad743103..0000000000000000000000000000000000000000
--- a/tools/perf/perf_tools/startup_tests.py
+++ /dev/null
@@ -1,22 +0,0 @@
-# Copyright (c) 2013 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.
-
-from telemetry.page import page_benchmark
-
-# Test how long Chrome takes to load when warm.
-class PerfWarm(page_benchmark.PageBenchmark):
-  def __init__(self):
-    super(PerfWarm, self).__init__(needs_browser_restart_after_each_run=True,
-                                   discard_first_result=True)
-
-  def CustomizeBrowserOptions(self, options):
-    options.AppendExtraBrowserArg('--dom-automation')
-    options.AppendExtraBrowserArg('--reduce-security-for-dom-automation-tests')
-
-  def MeasurePage(self, page, tab, results):
-    result = tab.EvaluateJavaScript("""
-      domAutomationController.getBrowserHistogram(
-          "Startup.BrowserMessageLoopStartTimeFromMainEntry")
-      """)
-    results.Add('startup_time', 'ms', result)