[telemetry] Make single-benchmark measurements protected and undiscoverable.

tools/perf/measurements/dromaeo.py

-# Copyright (c) 2012 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_measurement
-
-class Dromaeo(page_measurement.PageMeasurement):
-  def MeasurePage(self, page, tab, results):
-    tab.WaitForJavaScriptExpression(
-        'window.document.cookie.indexOf("__done=1") >= 0', 600)
-
-    js_get_results = 'JSON.stringify(window.automation.GetResults())'
-    print js_get_results
-    score = eval(tab.EvaluateJavaScript(js_get_results))
-
-    def Escape(k):
-      chars = [' ', '-', '/', '(', ')', '*']
-      for c in chars:
-        k = k.replace(c, '_')
-      return k
-
-    suffix = page.url[page.url.index('?') + 1 : page.url.index('&')]
-    for k, v in score.iteritems():
-      data_type = 'unimportant'
-      if k == suffix:
-        data_type = 'default'
-      results.Add(Escape(k), 'runs/s', v, data_type=data_type)