anchor.diff:  }
   
   /**
  - * Copy all source to `build/deploy`. Do a polymer deploy to `build/deploy-out`.
  - * This builds the regular (non-test) version of the app.
  + * Do a polymer deploy to `build/web/`.
    */
   void deploy(GrinderContext context) {
     Directory destDir = BUILD_DIR;
  
positive.code:   // It needs to be copied to compile result directory.
    copyFile(
        joinFile(Directory.current, ['web', '_locales', 'en', 'messages.json']),
        joinDir(BUILD_DIR, ['deploy-out', 'web', '_locales', 'en']));
  }
  
  void _removePackagesLinks(GrinderContext context, Directory target) {
  
negative.code:   // It needs to be copied to compile result directory.
    copyFile(
        joinFile(Directory.current, ['web', 'manifest.json']),
        joinDir(BUILD_DIR, ['web']));
  
    return version;
  }
  