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gaia/apps/settings/elements/developer_service_workers.html

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+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<element name="developer-service-workers" extends="section">
+  <template>
+
+    <gaia-header action="back" data-href="#developer">
+      <h1 data-l10n-id="service-worker"></h1>
+    </gaia-header>
+
+    <div>
+      <ul>
+        <li>
+          <gaia-switch id="service-workers-interception-enabled"
+                       name="dom.serviceWorkers.interception.enabled">
+            <label data-l10n-id="service-workers-interception"></label>
+          </gaia-switch>
+        </li>
+        <li>
+          <gaia-switch id="service-workers-testing-enabled"
+                       name="dom.serviceWorkers.testing.enabled">
+            <label data-l10n-id="service-workers-testing"></label>
+          </gaia-switch>
+        </li>
+        <li id="service-workers-list-section">
+          <ul id="service-workers-list"></ul>
+        </li>
+        <li id="service-workers-empty-section" class="hidden">
+          <span id="empty-text" data-l10n-id="service-worker-no-registrations"></span>
+        </li>
+      </ul>
+    </div>
+
+    <panel data-path="panels/developer_service_workers/panel"></panel>
+
+  </template>
+</element>