Big merge from experimental to bleeding edge.

utils/pub/command_install.dart

Index: utils/pub/command_install.dart
diff --git a/utils/pub/command_install.dart b/utils/pub/command_install.dart
index 2263755488c50411af1cc9a029ff0b92741d55f2..001ba21cecf341a4c537766c7a0d14bc97b657c6 100644
--- a/utils/pub/command_install.dart
+++ b/utils/pub/command_install.dart
@@ -4,6 +4,8 @@
 
 library command_install;
 
+import 'dart:async';
+
 import 'entrypoint.dart';
 import 'log.dart' as log;
 import 'pub.dart';
@@ -14,7 +16,7 @@ class InstallCommand extends PubCommand {
   String get usage => "pub install";
 
   Future onRun() {
-    return entrypoint.installDependencies().transform((_) {
+    return entrypoint.installDependencies().then((_) {
       log.message("Dependencies installed!");
     });
   }