Prepare for move-only PassOwnPtr in the remaining directories.

third_party/WebKit/Source/platform/WebThreadSupportingGC.h

 // Copyright 2014 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 WebThreadSupportingGC_h
 #define WebThreadSupportingGC_h
 
 #include "platform/heap/GCTaskRunner.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebTaskRunner.h"
@@ skipping 17 matching lines @@
 class PLATFORM_EXPORT WebThreadSupportingGC final {
     USING_FAST_MALLOC(WebThreadSupportingGC);
     WTF_MAKE_NONCOPYABLE(WebThreadSupportingGC);
 public:
     static PassOwnPtr<WebThreadSupportingGC> create(const char* name);
     static PassOwnPtr<WebThreadSupportingGC> createForThread(WebThread*);
     ~WebThreadSupportingGC();
 
     void postTask(const WebTraceLocation& location, PassOwnPtr<SameThreadClosure> task)
     {
-        m_thread->getWebTaskRunner()->postTask(location, task);
+        m_thread->getWebTaskRunner()->postTask(location, std::move(task));
     }
 
     void postDelayedTask(const WebTraceLocation& location, PassOwnPtr<SameThreadClosure> task, long long delayMs)
     {
-        m_thread->getWebTaskRunner()->postDelayedTask(location, task, delayMs);
+        m_thread->getWebTaskRunner()->postDelayedTask(location, std::move(task), delayMs);
     }
 
     void postTask(const WebTraceLocation& location, PassOwnPtr<CrossThreadClosure> task)
     {
-        m_thread->getWebTaskRunner()->postTask(location, task);
+        m_thread->getWebTaskRunner()->postTask(location, std::move(task));
     }
 
     void postDelayedTask(const WebTraceLocation& location, PassOwnPtr<CrossThreadClosure> task, long long delayMs)
     {
-        m_thread->getWebTaskRunner()->postDelayedTask(location, task, delayMs);
+        m_thread->getWebTaskRunner()->postDelayedTask(location, std::move(task), delayMs);
     }
 
     bool isCurrentThread() const
     {
         return m_thread->isCurrentThread();
     }
 
     void addTaskObserver(WebThread::TaskObserver* observer)
     {
         m_thread->addTaskObserver(observer);
@@ skipping 21 matching lines @@
     // m_thread is guaranteed to be non-null after this instance is constructed.
     // m_owningThread is non-null unless this instance is constructed for an
     // existing thread via createForThread().
     WebThread* m_thread = nullptr;
     OwnPtr<WebThread> m_owningThread;
 };
 
 } // namespace blink
 
 #endif