Make CSSFontFace::setLoadStatus post a task

third_party/WebKit/Source/core/css/FontFace.h

Index: third_party/WebKit/Source/core/css/FontFace.h
diff --git a/third_party/WebKit/Source/core/css/FontFace.h b/third_party/WebKit/Source/core/css/FontFace.h
index f4ed0f6019a8b60385c0e96022349c67dbcb0104..5daf3822976b6a538b9d061f13adda67fd4ef0df 100644
--- a/third_party/WebKit/Source/core/css/FontFace.h
+++ b/third_party/WebKit/Source/core/css/FontFace.h
@@ -54,6 +54,7 @@ class FontFaceDescriptors;
 class StringOrArrayBufferOrArrayBufferView;
 class StylePropertySet;
 class StyleRuleFontFace;
+class WebTaskRunner;
 
 class FontFace : public GarbageCollectedFinalized<FontFace>,
                  public ScriptWrappable,
@@ -155,6 +156,8 @@ class FontFace : public GarbageCollectedFinalized<FontFace>,
   bool setFamilyValue(const CSSValue&);
   void loadInternal(ExecutionContext*);
   ScriptPromise fontStatusPromise(ScriptState*);
+  WebTaskRunner* getTaskRunner();
+  void runCallbacks();
 
   using LoadedProperty = ScriptPromiseProperty<Member<FontFace>,
                                                Member<FontFace>,