DevTools: Decouple shortcuts from actions, introduce shortcut contexts

Source/devtools/front_end/Dialog.js

 /*
  * Copyright (C) 2012 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 24 matching lines @@
  */
 WebInspector.Dialog = function(relativeToElement, delegate)
 {
     this._delegate = delegate;
     this._relativeToElement = relativeToElement;
 
     this._glassPane = new WebInspector.GlassPane();
     // Install glass pane capturing events.
     this._glassPane.element.tabIndex = 0;
     this._glassPane.element.addEventListener("focus", this._onGlassPaneFocus.bind(this), false);
+    this._glassPane.element.addEventListener("keydown", this._onGlassPaneKeyDown.bind(this), false);
 
     this._element = this._glassPane.element.createChild("div");
     this._element.tabIndex = 0;
     this._element.addEventListener("focus", this._onFocus.bind(this), false);
     this._element.addEventListener("keydown", this._onKeyDown.bind(this), false);
     this._closeKeys = [
         WebInspector.KeyboardShortcut.Keys.Enter.code,
         WebInspector.KeyboardShortcut.Keys.Esc.code,
     ];
 
@@ skipping 40 matching lines @@
 
         delete WebInspector.Dialog._instance;
         this._glassPane.dispose();
     },
 
     _onGlassPaneFocus: function(event)
     {
         this._hide();
     },
 
+    /**
+     * @param {?Event} event
+     */
+    _onGlassPaneKeyDown: function(event)
+    {
+        var actions = WebInspector.KeyboardShortcut.applicableActions(/** @type {!KeyboardEvent} */ (event));
+        for (var i = 0; i < actions.length; ++i) {
+            if (actions[i].descriptor()["executeInDialog"])
+                return;
+        }
+        if (actions.length)
+            event.consume(true);
+    },
+
     _onFocus: function(event)
     {
         this._delegate.focus();
     },
 
     _position: function()
     {
         this._delegate.position(this._element, this._relativeToElement);
     },
 
@@ skipping 83 matching lines @@
 {
     return WebInspector.Dialog._modalHostView;
 };
 
 WebInspector.Dialog.modalHostRepositioned = function()
 {
     if (WebInspector.Dialog._instance)
         WebInspector.Dialog._instance._position();
 };