DevTools: add command menu entries for adding new snippet, workspace folder

third_party/WebKit/Source/devtools/front_end/sources/SourcesNavigator.js

 /*
  * Copyright (C) 2011 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:
  *
  * 1. Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *
@@ skipping 259 matching lines @@
     this.create(Snippets.scriptSnippetModel.project(), '');
   }
 
   /**
    * @override
    */
   sourceDeleted(uiSourceCode) {
     this._handleRemoveSnippet(uiSourceCode);
   }
 };
+
+/**
+ * @implements {UI.ActionDelegate}
+ */
+Sources.SourcesNavigatorView.CreatingActionDelegate = class {
+  /**
+   * @override
+   * @param {!UI.Context} context
+   * @param {string} actionId
+   * @return {boolean}
+   */
+  handleAction(context, actionId) {
+    switch (actionId) {
+      case 'sources.create-snippet':
+        var uiSourceCode = Snippets.scriptSnippetModel.createScriptSnippet('');
+        Common.Revealer.reveal(uiSourceCode);
+        return true;
+      case 'sources.add-folder-to-workspace':
+        Workspace.isolatedFileSystemManager.addFileSystem();
+        return true;
+    }
+    return false;
+  }
+};