Introduce AnimationWorkletProxyClient and necessary plumbing to get it in worklet messaging proxy.

third_party/WebKit/Source/web/WebViewImpl.cpp

 /*
  * Copyright (C) 2011, 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 131 matching lines @@
 #include "public/web/WebMeaningfulLayout.h"
 #include "public/web/WebMediaPlayerAction.h"
 #include "public/web/WebNode.h"
 #include "public/web/WebPlugin.h"
 #include "public/web/WebPluginAction.h"
 #include "public/web/WebRange.h"
 #include "public/web/WebScopedUserGesture.h"
 #include "public/web/WebSelection.h"
 #include "public/web/WebViewClient.h"
 #include "public/web/WebWindowFeatures.h"
+#include "web/AnimationWorkletProxyClientImpl.h"
 #include "web/CompositionUnderlineVectorBuilder.h"
 #include "web/CompositorMutatorImpl.h"
-#include "web/CompositorProxyClientImpl.h"
+#include "web/CompositorWorkerProxyClientImpl.h"
 #include "web/ContextFeaturesClientImpl.h"
 #include "web/ContextMenuAllowedScope.h"
 #include "web/DatabaseClientImpl.h"
 #include "web/DedicatedWorkerMessagingProxyProviderImpl.h"
 #include "web/DevToolsEmulator.h"
 #include "web/FullscreenController.h"
 #include "web/InspectorOverlay.h"
 #include "web/LinkHighlightImpl.h"
 #include "web/PageOverlay.h"
 #include "web/PrerendererClientImpl.h"
@@ skipping 3981 matching lines @@
 }
 
 void WebViewImpl::forceNextWebGLContextCreationToFail() {
   WebGLRenderingContext::forceNextWebGLContextCreationToFail();
 }
 
 void WebViewImpl::forceNextDrawingBufferCreationToFail() {
   DrawingBuffer::forceNextDrawingBufferCreationToFail();
 }
 
-CompositorProxyClient* WebViewImpl::createCompositorProxyClient() {
+CompositorProxyClient* WebViewImpl::createCompositorProxyClient(
+    CompositorProxyClient::Type type) {
   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);
+
+  switch (type) {
+    case CompositorProxyClient::kWorkerClient:
+      return new CompositorWorkerProxyClientImpl(m_mutator);
+    case CompositorProxyClient::kWorkletClient:
+      return new AnimationWorkletProxyClientImpl(m_mutator);
+  }
+
+  NOTREACHED() << "Unexpected CompositorProxyClient::Type: " << type;
+  return nullptr;
 }
 
 void WebViewImpl::updatePageOverlays() {
   if (m_pageColorOverlay)
     m_pageColorOverlay->update();
   if (InspectorOverlay* overlay = inspectorOverlay()) {
     PageOverlay* inspectorPageOverlay = overlay->pageOverlay();
     if (inspectorPageOverlay)
       inspectorPageOverlay->update();
   }
@@ skipping 17 matching lines @@
   if (focusedFrame->localFrameRoot() != mainFrameImpl()->frame())
     return nullptr;
   return focusedFrame;
 }
 
 LocalFrame* WebViewImpl::focusedLocalFrameAvailableForIme() const {
   return m_imeAcceptEvents ? focusedLocalFrameInWidget() : nullptr;
 }
 
 }  // namespace blink