Specialize base::IsWeakReceiver for Blink weak pointers to support base::Bind (1/5)

third_party/WebKit/Source/platform/CrossThreadCopier.h

Index: third_party/WebKit/Source/platform/CrossThreadCopier.h
diff --git a/third_party/WebKit/Source/platform/CrossThreadCopier.h b/third_party/WebKit/Source/platform/CrossThreadCopier.h
index 82e46f0bb740a5dd135f537c042958bf5879123b..0625df180bf8b484265f3bfaadd9ac85d41c1297 100644
--- a/third_party/WebKit/Source/platform/CrossThreadCopier.h
+++ b/third_party/WebKit/Source/platform/CrossThreadCopier.h
@@ -171,11 +171,6 @@ struct CrossThreadCopier<WTF::PassedWrapper<T>> {
     static Type copy(WTF::PassedWrapper<T>&& value) { return passed(CrossThreadCopier<T>::copy(value.moveOut())); }
 };
 
-template<typename T>
-struct CrossThreadCopier<CrossThreadWeakPersistentThisPointer<T>> : public CrossThreadCopierPassThrough<CrossThreadWeakPersistentThisPointer<T>> {
-    STATIC_ONLY(CrossThreadCopier);
-};
-
 template <>
 struct CrossThreadCopier<KURL> {
     STATIC_ONLY(CrossThreadCopier);