Don't extract the name of a package from its description.

utils/pub/pubspec.dart

Index: utils/pub/pubspec.dart
diff --git a/utils/pub/pubspec.dart b/utils/pub/pubspec.dart
index a0b8c937ffb56bf651463eb913d88f10ad568db3..61e4fcc35abefb4c10cd4f8af1421739366cb6fe 100644
--- a/utils/pub/pubspec.dart
+++ b/utils/pub/pubspec.dart
@@ -110,15 +110,8 @@ class Pubspec {
 
         source.validateDescription(description, fromLockFile: false);
 
-        var nameFromSource = source.packageName(description);
-        if (nameFromSource != name) {
-          throw new FormatException('The name you specified for your '
-              'dependency, "$name", doesn\'t match the name "$nameFromSource" '
-              '(from "$description").');
-        }
-
         dependencies.add(new PackageRef(
-            source, versionConstraint, description));
+            name, source, versionConstraint, description));
       });
     }