Supplement should have a Member to the corresponding Supplementable object (Part 1)

third_party/WebKit/Source/web/CompositorProxyClientImpl.cpp

 // 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.
 
 #include "web/CompositorProxyClientImpl.h"
 
 #include "core/dom/CompositorProxy.h"
 #include "modules/compositorworker/CompositorWorkerGlobalScope.h"
 #include "platform/TraceEvent.h"
 #include "platform/graphics/CompositorMutableStateProvider.h"
@@ skipping 18 matching lines @@
     }
     ~ScopedCompositorMutableState()
     {
         for (CompositorProxy* proxy : m_proxies)
             proxy->takeCompositorMutableState(nullptr);
     }
 private:
     HeapHashSet<WeakMember<CompositorProxy>>& m_proxies;
 };
 
-CompositorProxyClientImpl::CompositorProxyClientImpl(CompositorMutatorImpl* mutator)
-    : m_mutator(mutator)
+CompositorProxyClientImpl::CompositorProxyClientImpl(CompositorMutatorImpl* mutator, WorkerClients& clients)
+    : CompositorProxyClient(clients)
+    , m_mutator(mutator)
     , m_globalScope(nullptr)
 {
 }
 
 DEFINE_TRACE(CompositorProxyClientImpl)
 {
     CompositorProxyClient::trace(visitor);
     visitor->trace(m_mutator);
     visitor->trace(m_globalScope);
     visitor->trace(m_proxies);
@@ skipping 45 matching lines @@
 {
     m_proxies.add(proxy);
 }
 
 void CompositorProxyClientImpl::unregisterCompositorProxy(CompositorProxy* proxy)
 {
     m_proxies.remove(proxy);
 }
 
 } // namespace blink