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

Source/modules/screen_orientation/LockOrientationCallback.h

Index: Source/modules/screen_orientation/LockOrientationCallback.h
diff --git a/Source/modules/screen_orientation/LockOrientationCallback.h b/Source/modules/screen_orientation/LockOrientationCallback.h
index 74bc20d45616cd5119394a8b6e9c0f9227d270ff..64d1fc091479e6c65dfd62270665a8ebb91e6fd8 100644
--- a/Source/modules/screen_orientation/LockOrientationCallback.h
+++ b/Source/modules/screen_orientation/LockOrientationCallback.h
@@ -20,6 +20,7 @@ class ScriptPromiseResolver;
 // that will resolve the underlying promise depending on the result passed to
 // the callback.
 class LockOrientationCallback final : public WebLockOrientationCallback {
+    WTF_MAKE_FAST_ALLOCATED(LockOrientationCallback);
     WTF_MAKE_NONCOPYABLE(LockOrientationCallback);
 public:
     explicit LockOrientationCallback(ScriptPromiseResolver*);