DevTools: Implement extensions-based shortcut bindings

Source/devtools/front_end/SettingsScreen.js

Index: Source/devtools/front_end/SettingsScreen.js
diff --git a/Source/devtools/front_end/SettingsScreen.js b/Source/devtools/front_end/SettingsScreen.js
index beee61ff150e81204d6fd6d7f9d442fbe8cd8f7d..0acd3d69c797390c9cd628737be43d152afe3f8f 100644
--- a/Source/devtools/front_end/SettingsScreen.js
+++ b/Source/devtools/front_end/SettingsScreen.js
@@ -733,6 +733,24 @@ WebInspector.SettingsController.prototype =
 
 /**
  * @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
  */