Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/core/dom/ExecutionContextTask.h

 /*
  * Copyright (C) 2013 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.
  *     * Neither the name of Google Inc. nor the names of its
@@ skipping 86 matching lines @@
 
 // Create tasks passed within a single thread.
 // When posting tasks within a thread, use |createSameThreadTask| instead
 // of using |bind| directly to state explicitly that there is no need to care
 // about thread safety when posting the task.
 // When posting tasks across threads, use |createCrossThreadTask|.
 template<typename FunctionType, typename... P>
 std::unique_ptr<ExecutionContextTask> createSameThreadTask(
     FunctionType function, P&&... parameters)
 {
-    return internal::createCallClosureTask(WTF::bind(function, std::forward<P>(parameters)...));
+    return internal::createCallClosureTask(bind(function, std::forward<P>(parameters)...));
 }
 
 } // namespace blink
 
 #endif