Revert "Parts must start with 'part of'" and "Attempt to fix VM build"

dart/samples/ui_lib/view/MeasureText.dart

-part of view;
-
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // TODO(jacobr): handle splitting lines on symbols such as '-' that aren't
 // whitespace but are valid word breaking points.
 /**
  * Utility class to efficiently word break and measure text without requiring
  * access to the DOM.
  */
@@ skipping 141 matching lines @@
       } else if (wordStartIndex === null && !whitespace) {
         wordStartIndex = i;
       }
       lastWhitespace = whitespace;
     }
     if (currentLength > 0) {
       callback(startIndex, text.length, currentLength);
     }
   }
 }