DevTools: consistently use relative name for filesystem resources.

third_party/WebKit/Source/devtools/front_end/persistence/FileSystemWorkspaceBinding.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 180 matching lines @@
   constructor(fileSystemWorkspaceBinding, isolatedFileSystem, workspace) {
     var fileSystemPath = isolatedFileSystem.path();
     var id = Persistence.FileSystemWorkspaceBinding.projectId(fileSystemPath);
     console.assert(!workspace.project(id));
     var displayName = fileSystemPath.substr(fileSystemPath.lastIndexOf('/') + 1);
 
     super(workspace, id, Workspace.projectTypes.FileSystem, displayName);
 
     this._fileSystem = isolatedFileSystem;
     this._fileSystemBaseURL = this._fileSystem.path() + '/';
+    this._fileSystemParentURL = this._fileSystemBaseURL.substr(0, fileSystemPath.lastIndexOf('/') + 1);
     this._fileSystemWorkspaceBinding = fileSystemWorkspaceBinding;
     this._fileSystemPath = fileSystemPath;
 
     workspace.addProject(this);
     this.populate();
   }
 
   /**
    * @return {string}
    */
@@ skipping 87 matching lines @@
    * @param {string} newContent
    * @param {function(?string)} callback
    */
   setFileContent(uiSourceCode, newContent, callback) {
     var filePath = this._filePathForUISourceCode(uiSourceCode);
     this._fileSystem.setFileContent(filePath, newContent, callback.bind(this, ''));
   }
 
   /**
    * @override
+   * @param {!Workspace.UISourceCode} uiSourceCode
+   * @return {string}
+   */
+  fullDisplayName(uiSourceCode) {
+    var baseURL =
+        /** @type {!Persistence.FileSystemWorkspaceBinding.FileSystem}*/ (uiSourceCode.project())._fileSystemParentURL;
+    return uiSourceCode.url().substring(baseURL.length);
+  }
+
+  /**
+   * @override
    * @return {boolean}
    */
   canRename() {
     return true;
   }
 
   /**
    * @override
    * @param {!Workspace.UISourceCode} uiSourceCode
    * @param {string} newName
@@ skipping 229 matching lines @@
     uiSourceCode[Persistence.FileSystemWorkspaceBinding._metadata] = null;
     uiSourceCode.checkContentUpdated();
   }
 
   dispose() {
     this.removeProject();
   }
 };
 
 Persistence.FileSystemWorkspaceBinding._metadata = Symbol('FileSystemWorkspaceBinding.Metadata');