[compositorworker] compositor proxy mutation updates underlying layers

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/ThreadSafeFunctional.h"
 #include "platform/TraceEvent.h"
@@ skipping 38 matching lines @@
     // it gets used there. We still need to make sure we only create one mutator though.
     doneEvent.wait();
     return mutatorClient;
 }
 
 CompositorMutatorImpl* CompositorMutatorImpl::create()
 {
     return new CompositorMutatorImpl();
 }
 
-bool CompositorMutatorImpl::mutate(double monotonicTimeNow)
+bool CompositorMutatorImpl::mutate(double monotonicTimeNow, CompositorMutableStateProvider* stateProvider)
 {
     TRACE_EVENT0("compositor-worker", "CompositorMutatorImpl::mutate");
     bool needToReinvoke = false;
     // TODO(vollick): we should avoid executing the animation frame
     // callbacks if none of the proxies in the global scope are affected by
     // m_mutations.
     for (CompositorProxyClientImpl* client : m_proxyClients) {
-        if (client->mutate(monotonicTimeNow))
+        if (client->mutate(monotonicTimeNow, stateProvider))
             needToReinvoke = true;
     }
 
     return needToReinvoke;
 }
 
 void CompositorMutatorImpl::registerProxyClient(CompositorProxyClientImpl* client)
 {
     TRACE_EVENT0("compositor-worker", "CompositorMutatorImpl::registerClient");
     m_proxyClients.add(client);
     setNeedsMutate();
 }
 
 void CompositorMutatorImpl::setNeedsMutate()
 {
     TRACE_EVENT0("compositor-worker", "CompositorMutatorImpl::setNeedsMutate");
     m_client->setNeedsMutate();
 }
 
 } // namespace blink