Run dartfmt on all files under runtime.

runtime/observatory/tests/service/dev_fs_uri_test.dart

 // Copyright (c) 2016, 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 'dart:async';
 import 'dart:convert';
 import 'dart:io';
 import 'package:observatory/service_io.dart';
 import 'package:unittest/unittest.dart';
 import 'test_helper.dart';
 
 Future<String> readResponse(HttpClientResponse response) {
   var completer = new Completer();
   var contents = new StringBuffer();
   response.transform(UTF8.decoder).listen((String data) {
     contents.write(data);
   }, onDone: () => completer.complete(contents.toString()));
   return completer.future;
 }
 
-
 var tests = [
   // Write a file with the ? character in the filename.
   (VM vm) async {
     var fsId = 'test';
     // NOTE: When using the URI encoding scheme, paths cannot be absolute.
     var filePath = 'foo/bar.dat';
     var fileUri = Uri.parse(filePath);
     var fileUriBase64 = BASE64.encode(UTF8.encode(fileUri.toString()));
     var fileContents = [0, 1, 2, 3, 4, 5, 6, 255];
     var fileContentsBase64 = BASE64.encode(fileContents);
 
     var filePath2 = 'baz/boo.dat';
     var fileUri2 = Uri.parse(filePath2);
 
     var result;
     // Create DevFS.
-    result = await vm.invokeRpcNoUpgrade('_createDevFS', { 'fsName': fsId });
+    result = await vm.invokeRpcNoUpgrade('_createDevFS', {'fsName': fsId});
     expect(result['type'], equals('FileSystem'));
     expect(result['name'], equals(fsId));
     expect(result['uri'], new isInstanceOf<String>());
 
     // Write the file by issuing an HTTP PUT.
     HttpClient client = new HttpClient();
     HttpClientRequest request =
         await client.putUrl(Uri.parse(serviceHttpAddress));
     request.headers.add('dev_fs_name', fsId);
     request.headers.add('dev_fs_uri_b64', fileUriBase64);
@@ skipping 11 matching lines @@
     request.write(GZIP.encode(fileContents));
     response = await request.close();
     responseBody = await readResponse(response);
     result = JSON.decode(responseBody);
     Map error = result['error']['data'];
     expect(error, isNotNull);
     expect(error['details'].contains("expects the 'path' parameter"), isTrue);
 
     // Write the file again but this time with the true file contents.
     client = new HttpClient();
-    request =
-        await client.putUrl(Uri.parse(serviceHttpAddress));
+    request = await client.putUrl(Uri.parse(serviceHttpAddress));
     request.headers.add('dev_fs_name', fsId);
     request.headers.add('dev_fs_uri_b64', fileUriBase64);
     request.add(GZIP.encode(fileContents));
     response = await request.close();
     responseBody = await readResponse(response);
     result = JSON.decode(responseBody);
     expect(result['result']['type'], equals('Success'));
 
     // Close the HTTP client.
     client.close();
 
     // Read the file back.
     result = await vm.invokeRpcNoUpgrade('_readDevFSFile', {
-        'fsName': fsId,
-        'uri': fileUri.toString(),
+      'fsName': fsId,
+      'uri': fileUri.toString(),
     });
     expect(result['type'], equals('FSFile'));
     expect(result['fileContents'], equals(fileContentsBase64));
 
     // Write a second file via URI.
     result = await vm.invokeRpcNoUpgrade('_writeDevFSFile', {
       'fsName': fsId,
       'uri': fileUri2.toString(),
       'fileContents': fileContentsBase64
     });
 
     // Read the second file back.
     result = await vm.invokeRpcNoUpgrade('_readDevFSFile', {
-        'fsName': fsId,
-        'uri': fileUri2.toString(),
+      'fsName': fsId,
+      'uri': fileUri2.toString(),
     });
     expect(result['type'], equals('FSFile'));
     expect(result['fileContents'], equals(fileContentsBase64));
 
     // Delete DevFS.
     result = await vm.invokeRpcNoUpgrade('_deleteDevFS', {
-        'fsName': fsId,
+      'fsName': fsId,
     });
     expect(result['type'], equals('Success'));
   },
 ];
 
 main(args) async => runVMTests(args, tests);