[DevTools] Remove Workspace.projectTypes enum part1.

third_party/WebKit/Source/devtools/front_end/sources/TabbedEditorContainer.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 361 matching lines @@
       this._appendFileTab(uiSourceCode, false);
 
     // Select tab if this file was the last to be shown.
     if (!index) {
       this._innerShowFile(uiSourceCode, false);
       return;
     }
 
     if (!this._currentFile)
       return;
-    var currentProjectType = this._currentFile.project().type();
-    var addedProjectType = uiSourceCode.project().type();
-    var snippetsProjectType = Workspace.projectTypes.Snippets;
-    if (this._history.index(this._currentFile.url()) && currentProjectType === snippetsProjectType &&
-        addedProjectType !== snippetsProjectType)
+    var currentIsSnippet = Snippets.ScriptSnippetModel.isSnippetUISourceCode(this._currentFile);
+    var addedIsSnippet = Snippets.ScriptSnippetModel.isSnippetUISourceCode(uiSourceCode);
+    if (this._history.index(this._currentFile.url()) && currentIsSnippet && !addedIsSnippet)
       this._innerShowFile(uiSourceCode, false);
   }
 
   /**
    * @param {!Workspace.UISourceCode} uiSourceCode
    */
   removeUISourceCode(uiSourceCode) {
     this.removeUISourceCodes([uiSourceCode]);
   }
 
@@ skipping 423 matching lines @@
 
   /**
    * @override
    * @param {string} tabId
    * @param {!UI.ContextMenu} contextMenu
    */
   onContextMenu(tabId, contextMenu) {
     this._editorContainer._onContextMenu(tabId, contextMenu);
   }
 };