DevTools: reformat front-end code to match chromium style.

third_party/WebKit/Source/devtools/front_end/ui/HistoryInput.js

 // Copyright (c) 2015 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.
+/**
+ * @unrestricted
+ */
+WebInspector.HistoryInput = class extends HTMLInputElement {
+  constructor() {
+    super();
+  }
 
-/**
- * @constructor
- * @extends {HTMLInputElement}
- */
-WebInspector.HistoryInput = function()
-{
+  /**
+   * @return {!WebInspector.HistoryInput}
+   */
+  static create() {
+    if (!WebInspector.HistoryInput._constructor)
+      WebInspector.HistoryInput._constructor =
+          registerCustomElement('input', 'history-input', WebInspector.HistoryInput.prototype);
+
+    return /** @type {!WebInspector.HistoryInput} */ (new WebInspector.HistoryInput._constructor());
+  }
+
+  /**
+   * @override
+   */
+  createdCallback() {
+    this._history = [''];
+    this._historyPosition = 0;
+    this.addEventListener('keydown', this._onKeyDown.bind(this), false);
+    this.addEventListener('input', this._onInput.bind(this), false);
+  }
+
+  /**
+   * @param {!Event} event
+   */
+  _onInput(event) {
+    if (this._history.length === this._historyPosition + 1)
+      this._history[this._history.length - 1] = this.value;
+  }
+
+  /**
+   * @param {!Event} event
+   */
+  _onKeyDown(event) {
+    if (event.keyCode === WebInspector.KeyboardShortcut.Keys.Up.code) {
+      this._historyPosition = Math.max(this._historyPosition - 1, 0);
+      this.value = this._history[this._historyPosition];
+      this.dispatchEvent(new Event('input', {'bubbles': true, 'cancelable': true}));
+      event.consume(true);
+    } else if (event.keyCode === WebInspector.KeyboardShortcut.Keys.Down.code) {
+      this._historyPosition = Math.min(this._historyPosition + 1, this._history.length - 1);
+      this.value = this._history[this._historyPosition];
+      this.dispatchEvent(new Event('input', {'bubbles': true, 'cancelable': true}));
+      event.consume(true);
+    } else if (event.keyCode === WebInspector.KeyboardShortcut.Keys.Enter.code) {
+      this._saveToHistory();
+    }
+  }
+
+  _saveToHistory() {
+    if (this._history.length > 1 && this._history[this._history.length - 2] === this.value)
+      return;
+    this._history[this._history.length - 1] = this.value;
+    this._historyPosition = this._history.length - 1;
+    this._history.push('');
+  }
 };
 
-/**
- * @return {!WebInspector.HistoryInput}
- */
-WebInspector.HistoryInput.create = function()
-{
-    if (!WebInspector.HistoryInput._constructor)
-        WebInspector.HistoryInput._constructor = registerCustomElement("input", "history-input", WebInspector.HistoryInput.prototype);
 
-    return /** @type {!WebInspector.HistoryInput} */(new WebInspector.HistoryInput._constructor());
-};
-
-WebInspector.HistoryInput.prototype = {
-    createdCallback: function()
-    {
-        this._history = [""];
-        this._historyPosition = 0;
-        this.addEventListener("keydown", this._onKeyDown.bind(this), false);
-        this.addEventListener("input", this._onInput.bind(this), false);
-    },
-
-    /**
-     * @param {!Event} event
-     */
-    _onInput: function(event)
-    {
-        if (this._history.length === this._historyPosition + 1)
-            this._history[this._history.length - 1] = this.value;
-    },
-
-    /**
-     * @param {!Event} event
-     */
-    _onKeyDown: function(event)
-    {
-        if (event.keyCode === WebInspector.KeyboardShortcut.Keys.Up.code) {
-            this._historyPosition = Math.max(this._historyPosition - 1, 0);
-            this.value = this._history[this._historyPosition];
-            this.dispatchEvent(new Event("input", {"bubbles": true, "cancelable": true}));
-            event.consume(true);
-        } else if (event.keyCode === WebInspector.KeyboardShortcut.Keys.Down.code) {
-            this._historyPosition = Math.min(this._historyPosition + 1, this._history.length - 1);
-            this.value = this._history[this._historyPosition];
-            this.dispatchEvent(new Event("input", {"bubbles": true, "cancelable": true}));
-            event.consume(true);
-        } else if (event.keyCode === WebInspector.KeyboardShortcut.Keys.Enter.code) {
-            this._saveToHistory();
-        }
-    },
-
-    _saveToHistory: function()
-    {
-        if (this._history.length > 1 && this._history[this._history.length - 2] === this.value)
-            return;
-        this._history[this._history.length - 1] = this.value;
-        this._historyPosition = this._history.length - 1;
-        this._history.push("");
-    },
-
-    __proto__: HTMLInputElement.prototype
-};
-