Run dartfmt on all files under runtime.

runtime/lib/deferred_load_patch.dart

Index: runtime/lib/deferred_load_patch.dart
diff --git a/runtime/lib/deferred_load_patch.dart b/runtime/lib/deferred_load_patch.dart
index 5c8a597a152d1848257f206043c33a258ce60602..1b4cf174dafe50378620afb72f1deb815a6dc425 100644
--- a/runtime/lib/deferred_load_patch.dart
+++ b/runtime/lib/deferred_load_patch.dart
@@ -4,12 +4,13 @@
 
 final Set<String> _loadedLibraries = new Set<String>();
 
-@patch class DeferredLibrary {
-  @patch Future<Null> load() {
+@patch
+class DeferredLibrary {
+  @patch
+  Future<Null> load() {
     // Dummy implementation that should eventually be replaced by real
     // implementation.
-    Future future =
-        new Future<Null>.value(null);
+    Future future = new Future<Null>.value(null);
     _loadedLibraries.add(libraryName);
     return future;
   }