DevTools: Implement extensions-based shortcut bindings

Source/devtools/front_end/SettingsScreen.js

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 715 matching lines @@
 
     resize: function()
     {
         if (this._settingsScreen && this._settingsScreen.isShowing())
             this._settingsScreen.doResize();
     }
 }
 
 /**
  * @constructor
+ * @implements {WebInspector.ActionDelegate}
+ */
+WebInspector.SettingsController.SettingsScreenActionDelegate = function() { }
+
+WebInspector.SettingsController.SettingsScreenActionDelegate.prototype = {
+    /**
+     * @param {!KeyboardEvent=} keyEvent
+     * @return {boolean}
+     */
+    handleAction: function(keyEvent)
+    {
+        WebInspector.settingsController.showSettingsScreen(!!keyEvent ? WebInspector.SettingsScreen.Tabs.General : undefined);
+        return true;
+    }
+}
+
+/**
+ * @constructor
  * @extends {WebInspector.Object}
  * @param {function(!Element, string, ?string)} itemRenderer
  */
 WebInspector.SettingsList = function(columns, itemRenderer)
 {
     this.element = document.createElement("div");
     this.element.classList.add("settings-list");
     this.element.tabIndex = -1;
     this._itemRenderer = itemRenderer;
     this._listItems = {};
@@ skipping 367 matching lines @@
             var inputElement = this._addInputElements[columnId];
             inputElement.value = "";
         }
     },
 
     __proto__: WebInspector.SettingsList.prototype
 }
 
 /** @type {!WebInspector.SettingsController} */
 WebInspector.settingsController;