Revert "Fix observatory tests broken by running dartfmt."

runtime/observatory/tests/service/read_stream_test.dart

 // Copyright (c) 2015, 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.
 // VMOptions=--error_on_bad_type --error_on_bad_override
 
 import 'package:observatory/object_graph.dart';
 import 'package:unittest/unittest.dart';
 import 'dart:typed_data';
 
 testRoundTrip(final int n) {
   var bytes = [];
   var remaining = n;
   while (remaining > 127) {
     bytes.add(remaining & 127);
     remaining = remaining >> 7;
   }
   bytes.add(remaining + 128);
 
   print("Encoded $n as $bytes");
 
   var typedBytes = new ByteData.view(new Uint8List.fromList(bytes).buffer);
   var stream = new ReadStream([typedBytes]);
   stream.readUnsigned();
 
   expect(stream.isZero, equals(n == 0));
 
-  expect(stream.low, equals((n >> 0) & 0xFFFFFFF));
+  expect(stream.low, equals((n >>  0) & 0xFFFFFFF));
   expect(stream.mid, equals((n >> 28) & 0xFFFFFFF));
   expect(stream.high, equals((n >> 56) & 0xFFFFFFF));
 
   const kMaxUint32 = (1 << 32) - 1;
   if (n > kMaxUint32) {
     expect(stream.clampedUint32, equals(kMaxUint32));
   } else {
     expect(stream.clampedUint32, equals(n));
   }
 
   expect(stream.position, equals(bytes.length));
 }
 
 main() {
   const kMaxUint64 = (1 << 64) - 1;
 
   var n = 3;
   while (n < kMaxUint64) {
     testRoundTrip(n);
     n <<= 1;
   }
 
   n = 5;
   while (n < kMaxUint64) {
     testRoundTrip(n);
     n <<= 1;
   }
 }