Drop the crypto dependency.

[email protected]

Review URL: https://codereview.chromium.org//1829533002 .

Author: nex3

lib/src/runner/browser/platform.dart

@@ -49,7 +49,7 @@ class BrowserPlatform extends PlatformPlugin {
   ///
   /// This is used to ensure that other users on the same system can't snoop
   /// on data being served through this server.
-  final _secret = randomBase64(24, urlSafe: true);
+  final _secret = Uri.encodeComponent(randomBase64(24));
 
   /// The URL for this server.
   Uri get url => _server.url.resolve(_secret + "/");

lib/src/utils.dart

@@ -7,7 +7,6 @@ import 'dart:convert';
 import 'dart:math' as math;
 
 import 'package:async/async.dart' hide StreamQueue;
-import 'package:crypto/crypto.dart';
 import 'package:path/path.dart' as p;
 import 'package:shelf/shelf.dart' as shelf;
 import 'package:stack_trace/stack_trace.dart';
@@ -428,15 +427,13 @@ void invoke(fn()) {
 ///
 /// [seed] is passed to [math.Random]; [urlSafe] and [addLineSeparator] are
 /// passed to [CryptoUtils.bytesToBase64].
-String randomBase64(int bytes, {int seed, bool urlSafe: false,
-    bool addLineSeparator: false}) {
+String randomBase64(int bytes, {int seed}) {
   var random = new math.Random(seed);
   var data = [];
   for (var i = 0; i < bytes; i++) {
     data.add(random.nextInt(256));
   }
-  return CryptoUtils.bytesToBase64(data,
-      urlSafe: urlSafe, addLineSeparator: addLineSeparator);
+  return BASE64.encode(data);
 }
 
 /// Returns middleware that nests all requests beneath the URL prefix [beneath].

pubspec.yaml

@@ -12,7 +12,6 @@ dependencies:
   barback: '>=0.14.0 <0.16.0'
   boolean_selector: '^1.0.0'
   collection: '^1.1.0'
-  crypto: '^0.9.0'
   glob: '^1.0.0'
   http_multi_server: '>=1.0.0 <3.0.0'
   path: '^1.2.0'