Make extensions::DictionaryBuilder and extensions::ListValue unmovable.

chrome/browser/extensions/extension_migrator_unittest.cc

Index: chrome/browser/extensions/extension_migrator_unittest.cc
diff --git a/chrome/browser/extensions/extension_migrator_unittest.cc b/chrome/browser/extensions/extension_migrator_unittest.cc
index cad4349e964bd4ff66c55538a2fb999741426245..39970926e97a92b5c2987ac21d6871174d5f2b07 100644
--- a/chrome/browser/extensions/extension_migrator_unittest.cc
+++ b/chrome/browser/extensions/extension_migrator_unittest.cc
@@ -24,8 +24,8 @@ const char kNewId[] = "nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn";
 
 scoped_refptr<Extension> CreateExtension(const std::string& id) {
   return ExtensionBuilder()
-      .SetManifest(std::move(
-          DictionaryBuilder().Set("name", "test").Set("version", "0.1")))
+      .SetManifest(
+          DictionaryBuilder().Set("name", "test").Set("version", "0.1").Build())
       .SetID(id)
       .Build();
 }