Remove get from CrossThreadPersistent to avoid accidental use

third_party/WebKit/Source/modules/fetch/CrossThreadHolder.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CrossThreadHolder_h
 #define CrossThreadHolder_h
 
 #include "core/dom/ActiveDOMObject.h"
 #include "core/dom/CrossThreadTask.h"
 #include "core/dom/ExecutionContext.h"
@@ skipping 35 matching lines @@
     // destructed (possibly on the calling thread or on the thread of
     // |executionContext|) when |executionContext| is stopped or
     // CrossThreadHolder is destructed.
     void postTask(std::unique_ptr<WTF::Function<void(T*, ExecutionContext*), WTF::CrossThreadAffinity>> task)
     {
         MutexLocker locker(m_mutex->mutex());
         if (!m_bridge) {
             // The bridge has already disappeared.
             return;
         }
-        m_bridge->getExecutionContext()->postTask(BLINK_FROM_HERE, createCrossThreadTask(&Bridge::runTask, wrapCrossThreadPersistent(m_bridge.get()), passed(std::move(task))));
+        m_bridge->getExecutionContext()->postTask(BLINK_FROM_HERE, createCrossThreadTask(&Bridge::runTask, wrapCrossThreadPersistent(m_bridge), passed(std::move(task))));
     }
 
     ~CrossThreadHolder()
     {
         MutexLocker locker(m_mutex->mutex());
         clearInternal();
     }
 
 private:
     // Object graph:
@@ skipping 101 matching lines @@
     RefPtr<MutexWrapper> m_mutex;
     // |m_bridge| is protected by |m_mutex|.
     // |m_bridge| is cleared before the thread that allocated |*m_bridge|
     // is stopped.
     CrossThreadPersistent<Bridge> m_bridge;
 };
 
 } // namespace blink
 
 #endif // CrossThreadHolder_h