Add tab.StopAllServiceWorkers()

telemetry/telemetry/internal/backends/chrome_inspector/inspector_serviceworker.py

+# Copyright 2017 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.core import exceptions
+
+
+class InspectorServiceWorker(object):
+  def __init__(self, inspector_websocket):
+    self._websocket = inspector_websocket
+    self._websocket.RegisterDomain('ServiceWorker', self._OnNotification)

[kouhei (in TOK), 2017/09/25 02:29:25]

Should we just enable ServiceWorker here?

[yukiy, 2017/09/25 04:57:13]

Done.

+
+  def _OnNotification(self, msg):
+    # TODO: track service worker events
+    # (https://chromedevtools.github.io/devtools-protocol/tot/ServiceWorker/)
+    pass
+
+  def Enable(self, timeout):
+    # This method must be called before calling any other methods in
+    # InspectorServiceWorker.
+    res = self._websocket.SyncRequest(
+        {'method': 'ServiceWorker.enable'}, timeout)
+    if 'error' in res:
+      raise exceptions.StoryActionError(res['error']['message'])
+
+  def StopAllWorkers(self, timeout):
+    res = self._websocket.SyncRequest(
+        {'method': 'ServiceWorker.stopAllWorkers'}, timeout)
+    if 'error' in res:
+      raise exceptions.StoryActionError(res['error']['message'])