WTF: Make PassOwnPtr<T> move-only.

third_party/WebKit/Source/core/inspector/ThreadDebugger.cpp

 // Copyright 2016 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.
 
 #include "core/inspector/ThreadDebugger.h"
 
 #include "bindings/core/v8/ScriptCallStack.h"
 #include "bindings/core/v8/ScriptValue.h"
 #include "bindings/core/v8/V8Binding.h"
 #include "bindings/core/v8/V8DOMException.h"
@@ skipping 119 matching lines @@
 {
     v8::Isolate* isolate = m_isolate;
     TRACE_EVENT_INSTANT1("devtools.timeline", "TimeStamp", TRACE_EVENT_SCOPE_THREAD, "data", InspectorTimeStampEvent::data(currentExecutionContext(isolate), title));
 }
 
 int ThreadDebugger::startRepeatingTimer(double interval, PassOwnPtr<V8DebuggerClient::TimerCallback> callback)
 {
     int id = ++m_lastTimerId;
     OwnPtr<Timer<ThreadDebugger>> timer = adoptPtr(new Timer<ThreadDebugger>(this, &ThreadDebugger::onTimer));
     Timer<ThreadDebugger>* timerPtr = timer.get();
-    m_timerCallbacks.set(timerPtr, callback);
+    m_timerCallbacks.set(timerPtr, std::move(callback));
     m_timers.set(id, timer.release());
     timerPtr->startRepeating(interval, BLINK_FROM_HERE);
     return id;
 }
 
 void ThreadDebugger::cancelTimer(int id)
 {
     if (!m_timers.contains(id))
         return;
     Timer<ThreadDebugger>* timer = m_timers.get(id);
     timer->stop();
     m_timerCallbacks.remove(timer);
     m_timers.remove(id);
 }
 
 void ThreadDebugger::onTimer(Timer<ThreadDebugger>* timer)
 {
     ASSERT(m_timerCallbacks.contains(timer));
     (*m_timerCallbacks.get(timer))();
 }
 
 } // namespace blink