Fix bug 4534: - Only drop the leading "/" on Windows if a leading slash is in the path. Review URL: https://codereview.chromium.org//11368114
Fix bug 4534:
- Only drop the leading "/" on Windows if a leading slash is in the path.
Review URL: https://codereview.chromium.org//11368114

git-svn-id: c93d8a2297af3b929165606efe145742a534bc71@14609 260f80e4-7a28-3924-810f-c04153c831b5

dart-archive/dart-sdk,dart-lang/sdk,dart-archive/dart-sdk,dart-lang/sdk,dart-archive/dart-sdk,dartino/dart-sdk,dartino/dart-sdk,dart-archive/dart-sdk,dart-archive/dart-sdk,dartino/dart-sdk,dart-archive/dart-sdk,dart-archive/dart-sdk,dart-lang/sdk,dart-lang/sdk,dartino/dart-sdk,dart-archive/dart-sdk,dartino/dart-sdk,dartino/dart-sdk,dartino/dart-sdk,dart-lang/sdk,dartino/dart-sdk,dart-lang/sdk,dart-lang/sdk,dart-archive/dart-sdk,dart-lang/sdk,dartino/dart-sdk