[DevTools] Introduce Project.isServiceProject method.

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 211 matching lines @@
   /**
    * @param {!Workspace.UISourceCode} uiSourceCode
    * @return {string}
    */
   _filePathForUISourceCode(uiSourceCode) {
     return uiSourceCode.url().substring(this._fileSystemPath.length);
   }
 
   /**
    * @override
+   * @return {boolean}
+   */
+  isServiceProject() {
+    return false;
+  }
+
+  /**
+   * @override
    * @param {!Workspace.UISourceCode} uiSourceCode
    * @return {!Promise<?Workspace.UISourceCodeMetadata>}
    */
   requestMetadata(uiSourceCode) {
     if (uiSourceCode[Persistence.FileSystemWorkspaceBinding._metadata])
       return uiSourceCode[Persistence.FileSystemWorkspaceBinding._metadata];
     var relativePath = this._filePathForUISourceCode(uiSourceCode);
     var promise = this._fileSystem.getMetadata(relativePath).then(onMetadata);
     uiSourceCode[Persistence.FileSystemWorkspaceBinding._metadata] = promise;
     return promise;
@@ skipping 297 matching lines @@
     uiSourceCode[Persistence.FileSystemWorkspaceBinding._metadata] = null;
     uiSourceCode.checkContentUpdated();
   }
 
   dispose() {
     this.removeProject();
   }
 };
 
 Persistence.FileSystemWorkspaceBinding._metadata = Symbol('FileSystemWorkspaceBinding.Metadata');