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

third_party/WebKit/Source/devtools/front_end/console/ConsoleContextSelector.js

 // Copyright 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.
-
 /**
- * @constructor
  * @implements {WebInspector.TargetManager.Observer}
- * @param {!Element} selectElement
+ * @unrestricted
  */
-WebInspector.ConsoleContextSelector = function(selectElement)
-{
+WebInspector.ConsoleContextSelector = class {
+  /**
+   * @param {!Element} selectElement
+   */
+  constructor(selectElement) {
     this._selectElement = selectElement;
     /**
      * @type {!Map.<!WebInspector.ExecutionContext, !Element>}
      */
     this._optionByExecutionContext = new Map();
 
     WebInspector.targetManager.observeTargets(this);
-    WebInspector.targetManager.addModelListener(WebInspector.RuntimeModel, WebInspector.RuntimeModel.Events.ExecutionContextCreated, this._onExecutionContextCreated, this);
-    WebInspector.targetManager.addModelListener(WebInspector.RuntimeModel, WebInspector.RuntimeModel.Events.ExecutionContextChanged, this._onExecutionContextChanged, this);
-    WebInspector.targetManager.addModelListener(WebInspector.RuntimeModel, WebInspector.RuntimeModel.Events.ExecutionContextDestroyed, this._onExecutionContextDestroyed, this);
+    WebInspector.targetManager.addModelListener(
+        WebInspector.RuntimeModel, WebInspector.RuntimeModel.Events.ExecutionContextCreated,
+        this._onExecutionContextCreated, this);
+    WebInspector.targetManager.addModelListener(
+        WebInspector.RuntimeModel, WebInspector.RuntimeModel.Events.ExecutionContextChanged,
+        this._onExecutionContextChanged, this);
+    WebInspector.targetManager.addModelListener(
+        WebInspector.RuntimeModel, WebInspector.RuntimeModel.Events.ExecutionContextDestroyed,
+        this._onExecutionContextDestroyed, this);
 
-    this._selectElement.addEventListener("change", this._executionContextChanged.bind(this), false);
-    WebInspector.context.addFlavorChangeListener(WebInspector.ExecutionContext, this._executionContextChangedExternally, this);
-};
+    this._selectElement.addEventListener('change', this._executionContextChanged.bind(this), false);
+    WebInspector.context.addFlavorChangeListener(
+        WebInspector.ExecutionContext, this._executionContextChangedExternally, this);
+  }
 
-WebInspector.ConsoleContextSelector.prototype = {
-    /**
-     * @param {!WebInspector.ExecutionContext} executionContext
-     * @return {string}
-     */
-    _titleFor: function(executionContext)
-    {
-        var result;
-        if (executionContext.isDefault) {
-            if (executionContext.frameId) {
-                var resourceTreeModel = WebInspector.ResourceTreeModel.fromTarget(executionContext.target());
-                var frame = resourceTreeModel && resourceTreeModel.frameForId(executionContext.frameId);
-                result =  frame ? frame.displayName() : executionContext.label();
-            } else {
-                result = executionContext.target().decorateLabel(executionContext.label());
-            }
-        } else {
-            result = "\u00a0\u00a0\u00a0\u00a0" + (executionContext.label() || executionContext.origin);
-        }
+  /**
+   * @param {!WebInspector.ExecutionContext} executionContext
+   * @return {string}
+   */
+  _titleFor(executionContext) {
+    var result;
+    if (executionContext.isDefault) {
+      if (executionContext.frameId) {
+        var resourceTreeModel = WebInspector.ResourceTreeModel.fromTarget(executionContext.target());
+        var frame = resourceTreeModel && resourceTreeModel.frameForId(executionContext.frameId);
+        result = frame ? frame.displayName() : executionContext.label();
+      } else {
+        result = executionContext.target().decorateLabel(executionContext.label());
+      }
+    } else {
+      result = '\u00a0\u00a0\u00a0\u00a0' + (executionContext.label() || executionContext.origin);
+    }
 
-        var maxLength = 50;
-        return result.trimMiddle(maxLength);
-    },
+    var maxLength = 50;
+    return result.trimMiddle(maxLength);
+  }
 
-    /**
-     * @param {!WebInspector.ExecutionContext} executionContext
-     */
-    _executionContextCreated: function(executionContext)
-    {
-        // FIXME(413886): We never want to show execution context for the main thread of shadow page in service/shared worker frontend.
-        // This check could be removed once we do not send this context to frontend.
-        if (!executionContext.target().hasJSCapability())
-            return;
+  /**
+   * @param {!WebInspector.ExecutionContext} executionContext
+   */
+  _executionContextCreated(executionContext) {
+    // FIXME(413886): We never want to show execution context for the main thread of shadow page in service/shared worker frontend.
+    // This check could be removed once we do not send this context to frontend.
+    if (!executionContext.target().hasJSCapability())
+      return;
 
-        var newOption = createElement("option");
-        newOption.__executionContext = executionContext;
-        newOption.text = this._titleFor(executionContext);
-        this._optionByExecutionContext.set(executionContext, newOption);
-        var options = this._selectElement.options;
-        var contexts = Array.prototype.map.call(options, mapping);
-        var index = contexts.lowerBound(executionContext, executionContext.runtimeModel.executionContextComparator());
-        this._selectElement.insertBefore(newOption, options[index]);
+    var newOption = createElement('option');
+    newOption.__executionContext = executionContext;
+    newOption.text = this._titleFor(executionContext);
+    this._optionByExecutionContext.set(executionContext, newOption);
+    var options = this._selectElement.options;
+    var contexts = Array.prototype.map.call(options, mapping);
+    var index = contexts.lowerBound(executionContext, executionContext.runtimeModel.executionContextComparator());
+    this._selectElement.insertBefore(newOption, options[index]);
 
-        if (executionContext === WebInspector.context.flavor(WebInspector.ExecutionContext))
-            this._select(newOption);
-
-        /**
-         * @param {!Element} option
-         * @return {!WebInspector.ExecutionContext}
-         */
-        function mapping(option)
-        {
-            return option.__executionContext;
-        }
-    },
-
-    /**
-     * @param {!WebInspector.Event} event
-     */
-    _onExecutionContextCreated: function(event)
-    {
-        var executionContext = /** @type {!WebInspector.ExecutionContext} */ (event.data);
-        this._executionContextCreated(executionContext);
-        this._updateSelectionWarning();
-    },
-
-    /**
-     * @param {!WebInspector.Event} event
-     */
-    _onExecutionContextChanged: function(event)
-    {
-        var executionContext = /** @type {!WebInspector.ExecutionContext} */ (event.data);
-        var option = this._optionByExecutionContext.get(executionContext);
-        if (option)
-            option.text = this._titleFor(executionContext);
-        this._updateSelectionWarning();
-    },
-
-    /**
-     * @param {!WebInspector.ExecutionContext} executionContext
-     */
-    _executionContextDestroyed: function(executionContext)
-    {
-        var option = this._optionByExecutionContext.remove(executionContext);
-        option.remove();
-    },
-
-    /**
-     * @param {!WebInspector.Event} event
-     */
-    _onExecutionContextDestroyed: function(event)
-    {
-        var executionContext = /** @type {!WebInspector.ExecutionContext} */ (event.data);
-        this._executionContextDestroyed(executionContext);
-        this._updateSelectionWarning();
-    },
-
-    /**
-     * @param {!WebInspector.Event} event
-     */
-    _executionContextChangedExternally: function(event)
-    {
-        var executionContext =  /** @type {?WebInspector.ExecutionContext} */ (event.data);
-        if (!executionContext)
-            return;
-
-        var options = this._selectElement.options;
-        for (var i = 0; i < options.length; ++i) {
-            if (options[i].__executionContext === executionContext)
-                this._select(options[i]);
-        }
-    },
-
-    _executionContextChanged: function()
-    {
-        var option = this._selectedOption();
-        var newContext = option ? option.__executionContext : null;
-        WebInspector.context.setFlavor(WebInspector.ExecutionContext, newContext);
-        this._updateSelectionWarning();
-    },
-
-    _updateSelectionWarning: function()
-    {
-        var executionContext = WebInspector.context.flavor(WebInspector.ExecutionContext);
-        this._selectElement.parentElement.classList.toggle("warning", !this._isTopContext(executionContext) && this._hasTopContext());
-    },
-
-    /**
-     * @param {?WebInspector.ExecutionContext} executionContext
-     * @return {boolean}
-     */
-    _isTopContext: function(executionContext)
-    {
-        if (!executionContext || !executionContext.isDefault)
-            return false;
-        var resourceTreeModel = WebInspector.ResourceTreeModel.fromTarget(executionContext.target());
-        var frame = executionContext.frameId && resourceTreeModel && resourceTreeModel.frameForId(executionContext.frameId);
-        if (!frame)
-            return false;
-        return frame.isMainFrame();
-    },
-
-    /**
-     * @return {boolean}
-     */
-    _hasTopContext: function()
-    {
-        var options = this._selectElement.options;
-        for (var i = 0; i < options.length; i++){
-            if (this._isTopContext(options[i].__executionContext))
-                return true;
-        }
-        return false;
-    },
-
-    /**
-     * @override
-     * @param {!WebInspector.Target} target
-     */
-    targetAdded: function(target)
-    {
-        target.runtimeModel.executionContexts().forEach(this._executionContextCreated, this);
-    },
-
-    /**
-     * @override
-     * @param {!WebInspector.Target} target
-     */
-    targetRemoved: function(target)
-    {
-        var executionContexts = this._optionByExecutionContext.keysArray();
-        for (var i = 0; i < executionContexts.length; ++i) {
-            if (executionContexts[i].target() === target)
-                this._executionContextDestroyed(executionContexts[i]);
-        }
-    },
+    if (executionContext === WebInspector.context.flavor(WebInspector.ExecutionContext))
+      this._select(newOption);
 
     /**
      * @param {!Element} option
+     * @return {!WebInspector.ExecutionContext}
      */
-    _select: function(option)
-    {
-        this._selectElement.selectedIndex = Array.prototype.indexOf.call(/** @type {?} */ (this._selectElement), option);
-        this._updateSelectionWarning();
-    },
+    function mapping(option) {
+      return option.__executionContext;
+    }
+  }
 
-    /**
-     * @return {?Element}
-     */
-    _selectedOption: function()
-    {
-        if (this._selectElement.selectedIndex >= 0)
-            return this._selectElement[this._selectElement.selectedIndex];
-        return null;
+  /**
+   * @param {!WebInspector.Event} event
+   */
+  _onExecutionContextCreated(event) {
+    var executionContext = /** @type {!WebInspector.ExecutionContext} */ (event.data);
+    this._executionContextCreated(executionContext);
+    this._updateSelectionWarning();
+  }
+
+  /**
+   * @param {!WebInspector.Event} event
+   */
+  _onExecutionContextChanged(event) {
+    var executionContext = /** @type {!WebInspector.ExecutionContext} */ (event.data);
+    var option = this._optionByExecutionContext.get(executionContext);
+    if (option)
+      option.text = this._titleFor(executionContext);
+    this._updateSelectionWarning();
+  }
+
+  /**
+   * @param {!WebInspector.ExecutionContext} executionContext
+   */
+  _executionContextDestroyed(executionContext) {
+    var option = this._optionByExecutionContext.remove(executionContext);
+    option.remove();
+  }
+
+  /**
+   * @param {!WebInspector.Event} event
+   */
+  _onExecutionContextDestroyed(event) {
+    var executionContext = /** @type {!WebInspector.ExecutionContext} */ (event.data);
+    this._executionContextDestroyed(executionContext);
+    this._updateSelectionWarning();
+  }
+
+  /**
+   * @param {!WebInspector.Event} event
+   */
+  _executionContextChangedExternally(event) {
+    var executionContext = /** @type {?WebInspector.ExecutionContext} */ (event.data);
+    if (!executionContext)
+      return;
+
+    var options = this._selectElement.options;
+    for (var i = 0; i < options.length; ++i) {
+      if (options[i].__executionContext === executionContext)
+        this._select(options[i]);
     }
+  }
+
+  _executionContextChanged() {
+    var option = this._selectedOption();
+    var newContext = option ? option.__executionContext : null;
+    WebInspector.context.setFlavor(WebInspector.ExecutionContext, newContext);
+    this._updateSelectionWarning();
+  }
+
+  _updateSelectionWarning() {
+    var executionContext = WebInspector.context.flavor(WebInspector.ExecutionContext);
+    this._selectElement.parentElement.classList.toggle(
+        'warning', !this._isTopContext(executionContext) && this._hasTopContext());
+  }
+
+  /**
+   * @param {?WebInspector.ExecutionContext} executionContext
+   * @return {boolean}
+   */
+  _isTopContext(executionContext) {
+    if (!executionContext || !executionContext.isDefault)
+      return false;
+    var resourceTreeModel = WebInspector.ResourceTreeModel.fromTarget(executionContext.target());
+    var frame = executionContext.frameId && resourceTreeModel && resourceTreeModel.frameForId(executionContext.frameId);
+    if (!frame)
+      return false;
+    return frame.isMainFrame();
+  }
+
+  /**
+   * @return {boolean}
+   */
+  _hasTopContext() {
+    var options = this._selectElement.options;
+    for (var i = 0; i < options.length; i++) {
+      if (this._isTopContext(options[i].__executionContext))
+        return true;
+    }
+    return false;
+  }
+
+  /**
+   * @override
+   * @param {!WebInspector.Target} target
+   */
+  targetAdded(target) {
+    target.runtimeModel.executionContexts().forEach(this._executionContextCreated, this);
+  }
+
+  /**
+   * @override
+   * @param {!WebInspector.Target} target
+   */
+  targetRemoved(target) {
+    var executionContexts = this._optionByExecutionContext.keysArray();
+    for (var i = 0; i < executionContexts.length; ++i) {
+      if (executionContexts[i].target() === target)
+        this._executionContextDestroyed(executionContexts[i]);
+    }
+  }
+
+  /**
+   * @param {!Element} option
+   */
+  _select(option) {
+    this._selectElement.selectedIndex = Array.prototype.indexOf.call(/** @type {?} */ (this._selectElement), option);
+    this._updateSelectionWarning();
+  }
+
+  /**
+   * @return {?Element}
+   */
+  _selectedOption() {
+    if (this._selectElement.selectedIndex >= 0)
+      return this._selectElement[this._selectElement.selectedIndex];
+    return null;
+  }
 };