Fix ALL the pub tests.

utils/pub/hosted_source.dart

Index: utils/pub/hosted_source.dart
diff --git a/utils/pub/hosted_source.dart b/utils/pub/hosted_source.dart
index 70b1440d297f093da1e20b8aad333f857786939e..073f8232a05a94f15e5014d7e563d73a37bfd170 100644
--- a/utils/pub/hosted_source.dart
+++ b/utils/pub/hosted_source.dart
@@ -78,7 +78,8 @@ class HostedSource extends Source {
       systemCache.createTempDir()
     ]).then((args) {
       tempDir = args[1];
-      return timeout(extractTarGz(args[0], tempDir), HTTP_TIMEOUT,
+      var stream = wrapByteStream(args[0]);
+      return timeout(extractTarGz(stream, tempDir), HTTP_TIMEOUT,
           'fetching URL "$fullUrl"');
     }).then((_) {
       // Now that the install has succeeded, move it to the real location in
@@ -118,8 +119,8 @@ class HostedSource extends Source {
   /// When an error occurs trying to read something about [package] from [url],
   /// this tries to translate into a more user friendly error message. Always
   /// throws an error, either the original one or a better one.
-  void _throwFriendlyError(ex, package, url) {
-    ex = getRealError(ex);
+  void _throwFriendlyError(asyncError, package, url) {

[Bob Nystrom, 2013/01/09 16:49:23]

Can we type annotate this too?

+    var ex = getRealError(asyncError);
 
     if (ex is PubHttpException && ex.response.statusCode == 404) {
       throw 'Could not find package "$package" at $url.';
@@ -135,7 +136,7 @@ class HostedSource extends Source {
     }
 
     // Otherwise re-throw the original exception.
-    throw ex;
+    throw asyncError;

[Bob Nystrom, 2013/01/09 16:49:23]

Argh good catch. Completely misleading comment on my part. :(

   }
 
   /// Parses the description for a package.