Introduce an injection point to configure the internal pointer of WeakPtr

third_party/WebKit/Source/platform/CrossThreadCopier.h

 /*
  * Copyright (C) 2009, 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 14 matching lines @@
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef CrossThreadCopier_h
 #define CrossThreadCopier_h
 
 #include "platform/PlatformExport.h"
+#include "platform/heap/Persistent.h"
 #include "third_party/skia/include/core/SkRefCnt.h"
 #include "wtf/Assertions.h"
 #include "wtf/Forward.h"
 #include "wtf/Functional.h" // FunctionThreadAffinity
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefPtr.h"
 #include "wtf/ThreadSafeRefCounted.h"
 #include "wtf/TypeTraits.h"
 #include "wtf/WeakPtr.h"
 #include <memory>
@@ skipping 92 matching lines @@
     {
         return pointer; // This is in fact a move.
     }
 };
 
 template<typename T>
 struct CrossThreadCopier<CrossThreadPersistent<T>> : public CrossThreadCopierPassThrough<CrossThreadPersistent<T>> {
     STATIC_ONLY(CrossThreadCopier);
 };
 
-template<typename T>
+template <typename T>
+struct CrossThreadCopier<WTF::WeakPtr<T>> : public CrossThreadCopierPassThrough<WTF::WeakPtr<T>> {
+    STATIC_ONLY(CrossThreadCopier);
+};
+
+template <typename T>
 struct CrossThreadCopier<CrossThreadWeakPersistent<T>> : public CrossThreadCopierPassThrough<CrossThreadWeakPersistent<T>> {
     STATIC_ONLY(CrossThreadCopier);
 };
 
 template<typename T>
 struct CrossThreadCopier<WTF::UnretainedWrapper<T, WTF::CrossThreadAffinity>> : public CrossThreadCopierPassThrough<WTF::UnretainedWrapper<T, WTF::CrossThreadAffinity>> {
     STATIC_ONLY(CrossThreadCopier);
 };
 
-template<typename T>
-struct CrossThreadCopier<WeakPtr<T>> : public CrossThreadCopierPassThrough<WeakPtr<T>> {
+template <typename T>
+struct CrossThreadCopier<RevocableCrossThreadWeakPersistent<T>> : public CrossThreadCopierPassThrough<RevocableCrossThreadWeakPersistent<T>> {
     STATIC_ONLY(CrossThreadCopier);
 };
 
 template <typename T>
 struct CrossThreadCopier<WTF::PassedWrapper<T>> {
     STATIC_ONLY(CrossThreadCopier);
     using Type = WTF::PassedWrapper<typename CrossThreadCopier<T>::Type>;
     static Type copy(WTF::PassedWrapper<T>&& value) { return passed(CrossThreadCopier<T>::copy(value.moveOut())); }
 };
 
@@ skipping 28 matching lines @@
 template <>
 struct CrossThreadCopier<ResourceResponse> {
     STATIC_ONLY(CrossThreadCopier);
     typedef WTF::PassedWrapper<std::unique_ptr<CrossThreadResourceResponseData>> Type;
     PLATFORM_EXPORT static Type copy(const ResourceResponse&);
 };
 
 } // namespace blink
 
 #endif // CrossThreadCopier_h