[part 2] Make classes and structures in modules fast-allocated.

Source/modules/push_messaging/PushController.h

Index: Source/modules/push_messaging/PushController.h
diff --git a/Source/modules/push_messaging/PushController.h b/Source/modules/push_messaging/PushController.h
index 3980e2156e94c493c79d1a068ae8d154da861e5f..0ebe4e15e31e39537bf3ec6d8b6f5e93b55cbd1e 100644
--- a/Source/modules/push_messaging/PushController.h
+++ b/Source/modules/push_messaging/PushController.h
@@ -19,6 +19,7 @@ class WebPushClient;
 class PushController final : public NoBaseWillBeGarbageCollected<PushController>, public WillBeHeapSupplement<LocalFrame> {
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(PushController);
     WTF_MAKE_NONCOPYABLE(PushController);
+    WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED(PushController);
 
 public:
     static PassOwnPtrWillBeRawPtr<PushController> create(WebPushClient*);