1a2870f798
Context: this prevents us from using other schemes in unit tests, and causes issues when processign a URI with no scheme, that happens to be supported by the underlying file-system (e.g. PhysicalFileSystem will make it a `file:*` URI if no scheme was present). This is necessary to fix dartbug.com/30141 R=ahe@google.com Committed: https://github.com/dart-lang/sdk/commit/d9ae60e14fdec52bda977ed114f6ad70dc2f0bc4 Review-Url: https://codereview.chromium.org/3006483002 .