Worker: Add WorkerOrWorkletGlobalScope::thread() interface

third_party/WebKit/Source/modules/compositorworker/CompositorWorkerGlobalScope.cpp

Index: third_party/WebKit/Source/modules/compositorworker/CompositorWorkerGlobalScope.cpp
diff --git a/third_party/WebKit/Source/modules/compositorworker/CompositorWorkerGlobalScope.cpp b/third_party/WebKit/Source/modules/compositorworker/CompositorWorkerGlobalScope.cpp
index 3281fdcf62cb0e5092e56ac4a1e2fa1e4933a208..71fe8157ae0eaa9aec5ef823ab822fb9c884751e 100644
--- a/third_party/WebKit/Source/modules/compositorworker/CompositorWorkerGlobalScope.cpp
+++ b/third_party/WebKit/Source/modules/compositorworker/CompositorWorkerGlobalScope.cpp
@@ -76,8 +76,8 @@ void CompositorWorkerGlobalScope::postMessage(
       MessagePort::disentanglePorts(executionContext, ports, exceptionState);
   if (exceptionState.hadException())
     return;
-  thread()->workerObjectProxy().postMessageToWorkerObject(std::move(message),
-                                                          std::move(channels));
+  workerObjectProxy().postMessageToWorkerObject(std::move(message),
+                                                std::move(channels));
 }
 
 int CompositorWorkerGlobalScope::requestAnimationFrame(
@@ -100,8 +100,9 @@ bool CompositorWorkerGlobalScope::executeAnimationFrameCallbacks(
   return !m_callbackCollection.isEmpty();
 }
 
-CompositorWorkerThread* CompositorWorkerGlobalScope::thread() const {
-  return static_cast<CompositorWorkerThread*>(WorkerGlobalScope::thread());
+InProcessWorkerObjectProxy& CompositorWorkerGlobalScope::workerObjectProxy()
+    const {
+  return static_cast<CompositorWorkerThread*>(thread())->workerObjectProxy();
 }
 
 }  // namespace blink