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

third_party/WebKit/Source/web/WebViewImpl.cpp

Index: third_party/WebKit/Source/web/WebViewImpl.cpp
diff --git a/third_party/WebKit/Source/web/WebViewImpl.cpp b/third_party/WebKit/Source/web/WebViewImpl.cpp
index 9bc4335ce6d61d0e6cfa6575c8a292b7bff37569..cde60a7df0d164078aa74fd1ace1cd0f0f9d36b6 100644
--- a/third_party/WebKit/Source/web/WebViewImpl.cpp
+++ b/third_party/WebKit/Source/web/WebViewImpl.cpp
@@ -4529,14 +4529,14 @@ void WebViewImpl::forceNextDrawingBufferCreationToFail()
     DrawingBuffer::forceNextDrawingBufferCreationToFail();
 }
 
-CompositorProxyClient* WebViewImpl::createCompositorProxyClient()
+CompositorProxyClient* WebViewImpl::createCompositorProxyClient(WorkerClients& clients)
 {
     if (!m_mutator) {
         std::unique_ptr<CompositorMutatorClient> mutatorClient = CompositorMutatorImpl::createClient();
         m_mutator = static_cast<CompositorMutatorImpl*>(mutatorClient->mutator());
         m_layerTreeView->setMutatorClient(std::move(mutatorClient));
     }
-    return new CompositorProxyClientImpl(m_mutator);
+    return new CompositorProxyClientImpl(m_mutator, clients);
 }
 
 void WebViewImpl::updatePageOverlays()