Revert "Use native async/await support in pub."

sdk/lib/_internal/pub_generated/lib/src/command/uploader.dart

Index: sdk/lib/_internal/pub_generated/lib/src/command/uploader.dart
diff --git a/sdk/lib/_internal/pub/lib/src/command/uploader.dart b/sdk/lib/_internal/pub_generated/lib/src/command/uploader.dart
similarity index 75%
copy from sdk/lib/_internal/pub/lib/src/command/uploader.dart
copy to sdk/lib/_internal/pub_generated/lib/src/command/uploader.dart
index b66d7cc43ed2d75f58c1e646edad3a17c272e84e..e43bbaea5980baa3e8ed0b23dca5e53f56cf9ead 100644
--- a/sdk/lib/_internal/pub/lib/src/command/uploader.dart
+++ b/sdk/lib/_internal/pub_generated/lib/src/command/uploader.dart
@@ -29,11 +29,14 @@ class UploaderCommand extends PubCommand {
   Uri get server => Uri.parse(argResults['server']);
 
   UploaderCommand() {
-    argParser.addOption('server', defaultsTo: HostedSource.defaultUrl,
+    argParser.addOption(
+        'server',
+        defaultsTo: HostedSource.defaultUrl,
         help: 'The package server on which the package is hosted.');
-    argParser.addOption('package',
+    argParser.addOption(
+        'package',
         help: 'The package whose uploaders will be modified.\n'
-              '(defaults to the current package)');
+            '(defaults to the current package)');
   }
 
   Future run() {
@@ -65,20 +68,21 @@ class UploaderCommand extends PubCommand {
       var uploader = rest[0];
       return oauth2.withClient(cache, (client) {
         if (command == 'add') {
-          var url = server.resolve("/api/packages/"
-              "${Uri.encodeComponent(package)}/uploaders");
-          return client.post(url,
-              headers: PUB_API_HEADERS,
-              body: {"email": uploader});
+          var url =
+              server.resolve("/api/packages/" "${Uri.encodeComponent(package)}/uploaders");
+          return client.post(url, headers: PUB_API_HEADERS, body: {
+            "email": uploader
+          });
         } else { // command == 'remove'
-          var url = server.resolve("/api/packages/"
-              "${Uri.encodeComponent(package)}/uploaders/"
-              "${Uri.encodeComponent(uploader)}");
+          var url = server.resolve(
+              "/api/packages/" "${Uri.encodeComponent(package)}/uploaders/"
+                  "${Uri.encodeComponent(uploader)}");
           return client.delete(url, headers: PUB_API_HEADERS);
         }
       });
-    }).then(handleJsonSuccess)
-      .catchError((error) => handleJsonError(error.response),
-                  test: (e) => e is PubHttpException);
+    }).then(
+        handleJsonSuccess).catchError(
+            (error) => handleJsonError(error.response),
+            test: (e) => e is PubHttpException);
   }
 }