Remove the net-internals dependency from chrome proxy telemetry tests.

tools/chrome_proxy/integration_tests/chrome_proxy_pagesets/reenable_after_bypass.py

+# Copyright 2014 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 as page_module
+from telemetry.page import page_set as page_set_module
+
+
+class ReenableAfterBypassPage(page_module.Page):
+  """A test page for the re-enable after bypass tests.
+
+  Attributes:
+      bypass_seconds_low: The minimum number of seconds that the bypass
+          triggered by loading this page should last.
+      bypass_seconds_high: The maximum number of seconds that the bypass
+          triggered by loading this page should last.
+  """
+
+  def __init__(self,
+               url,
+               page_set,
+               bypass_seconds_low,
+               bypass_seconds_high):
+    super(ReenableAfterBypassPage, self).__init__(url=url, page_set=page_set)
+    self.bypass_seconds_low = bypass_seconds_low
+    self.bypass_seconds_high = bypass_seconds_high
+
+
+class ReenableAfterBypassPageSet(page_set_module.PageSet):
+  """ Chrome proxy test sites """
+
+  def __init__(self):
+    super(ReenableAfterBypassPageSet, self).__init__()
+
+    # Test page for "Chrome-Proxy: block=0". Loading this page should cause all
+    # data reduction proxies to be bypassed for one to five minutes.
+    self.AddUserStory(ReenableAfterBypassPage(
+        url="http://check.googlezip.net/block",
+        page_set=self,
+        bypass_seconds_low=60,
+        bypass_seconds_high=300))