import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

devtools/client/inspector/layout/components/Accordion.css

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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/. */
+
+/**
+ * This file should not be modified and is a duplicate from the debugger.html project.
+ * Any changes to this file should be imported from the upstream debugger.html project.
+ */
+
+.accordion {
+  background-color: var(--theme-body-background);
+  width: 100%;
+}
+
+.accordion ._header {
+  background-color: var(--theme-toolbar-background);
+  border-bottom: 1px solid var(--theme-splitter-color);
+  cursor: pointer;
+  font-size: 11px;
+  padding: 5px;
+  transition: all 0.25s ease;
+  width: 100%;
+  -moz-user-select: none;
+}
+
+.accordion ._header:hover {
+  background-color: var(--theme-selection-color);
+}
+
+.accordion ._header:hover svg {
+  fill: var(--theme-comment-alt);
+}
+
+.accordion ._content {
+  border-bottom: 1px solid var(--theme-splitter-color);
+  font-size: 11px;
+}
+
+.arrow {
+  vertical-align: middle;
+  display: inline-block;
+}

devtools/client/inspector/layout/components/Accordion.js

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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/. */
+
+/**
+ * This file should not be modified and is a duplicate from the debugger.html project.
+ * Any changes to this file should be imported from the upstream debugger.html project.
+ */
+
+"use strict";
+
+const React = require("devtools/client/shared/vendor/react");
+const { DOM: dom, PropTypes } = React;
+
+const { div, span } = dom;
+
+const Accordion = React.createClass({
+  displayName: "Accordion",
+
+  propTypes: {
+    items: PropTypes.array
+  },
+
+  getInitialState: function () {
+    return { opened: this.props.items.map(item => item.opened),
+             created: [] };
+  },
+
+  handleHeaderClick: function (i) {
+    const opened = [...this.state.opened];
+    const created = [...this.state.created];
+    const item = this.props.items[i];
+
+    opened[i] = !opened[i];
+    created[i] = true;
+
+    if (opened[i] && item.onOpened) {
+      item.onOpened();
+    }
+
+    this.setState({ opened, created });
+  },
+
+  renderContainer: function (item, i) {
+    const { opened, created } = this.state;
+    const containerClassName =
+          item.header.toLowerCase().replace(/\s/g, "-") + "-pane";
+    let arrowClassName = "arrow theme-twisty";
+    if (opened[i]) {
+      arrowClassName += " open";
+    }
+
+    return div(
+      { className: containerClassName, key: i },
+
+      div(
+        { className: "_header",
+          onClick: () => this.handleHeaderClick(i) },
+        span({ className: arrowClassName }),
+        item.header
+      ),
+
+      (created[i] || opened[i]) ?
+        div(
+          { className: "_content",
+              style: { display: opened[i] ? "block" : "none" }
+          },
+          React.createElement(item.component, item.componentProps || {})
+        ) :
+        null
+    );
+  },
+
+  render: function () {
+    return div(
+      { className: "accordion" },
+      this.props.items.map(this.renderContainer)
+    );
+  }
+});
+
+module.exports = Accordion;

devtools/client/inspector/layout/components/App.js

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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/. */
+
+"use strict";
+
+const { getStr } = require("../utils/l10n");
+const { DOM: dom, createClass, createFactory } = require("devtools/client/shared/vendor/react");
+const { connect } = require("devtools/client/shared/vendor/react-redux");
+
+const Accordion = createFactory(require("./Accordion"));
+const Grid = createFactory(require("./Grid"));
+
+const App = createClass({
+
+  displayName: "App",
+
+  render() {
+    return dom.div(
+      {
+        id: "layoutview-container",
+      },
+      Accordion({
+        items: [
+          { header: getStr("layout.header"),
+            component: Grid,
+            opened: true }
+        ]
+      })
+    );
+  },
+
+});
+
+module.exports = connect(state => state)(App);

devtools/client/inspector/layout/components/Grid.js

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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/. */
+
+"use strict";
+
+const { getStr } = require("../utils/l10n");
+const { DOM: dom, createClass } = require("devtools/client/shared/vendor/react");
+
+const Grid = createClass({
+
+  displayName: "Grid",
+
+  render() {
+    return dom.div(
+      {
+        id: "layoutview-grid-container",
+      },
+      dom.div(
+        {
+          className: "layoutview-no-grids"
+        },
+        getStr("layout.noGrids")
+      )
+    );
+  },
+
+});
+
+module.exports = Grid;

devtools/client/inspector/layout/components/moz.build

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+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# 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/.
+
+DevToolsModules(
+    'Accordion.css',
+    'Accordion.js',
+    'App.js',
+    'Grid.js',
+)