Move crossThreadBind() from platform/ to wtf/

third_party/WebKit/Source/web/CompositorMutatorImpl.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 "web/CompositorMutatorImpl.h"
 
 #include "core/animation/CustomCompositorAnimationManager.h"
 #include "core/dom/CompositorProxy.h"
-#include "platform/CrossThreadFunctional.h"
 #include "platform/TraceEvent.h"
 #include "platform/WaitableEvent.h"
 #include "platform/graphics/CompositorMutationsTarget.h"
 #include "platform/graphics/CompositorMutatorClient.h"
 #include "platform/heap/Handle.h"
 #include "public/platform/Platform.h"
 #include "web/CompositorProxyClientImpl.h"
+#include "wtf/Functional.h"
 #include "wtf/PtrUtil.h"
 
 namespace blink {
 
 namespace {
 
 void createCompositorMutatorClient(std::unique_ptr<CompositorMutatorClient>* ptr, WaitableEvent* doneEvent)
 {
     CompositorMutatorImpl* mutator = CompositorMutatorImpl::create();
     ptr->reset(new CompositorMutatorClient(mutator, mutator->animationManager()));
@@ skipping 52 matching lines @@
     setNeedsMutate();
 }
 
 void CompositorMutatorImpl::setNeedsMutate()
 {
     TRACE_EVENT0("compositor-worker", "CompositorMutatorImpl::setNeedsMutate");
     m_client->setNeedsMutate();
 }
 
 } // namespace blink