[worklets] Split up InProcessWorkerMessagingProxy into a base+worker class.

third_party/WebKit/Source/core/workers/Worker.cpp

Index: third_party/WebKit/Source/core/workers/Worker.cpp
diff --git a/third_party/WebKit/Source/core/workers/Worker.cpp b/third_party/WebKit/Source/core/workers/Worker.cpp
index 8a245c2377bbadd3086df2ca0809bcc86da3227d..ab0ddd0cc5da4ce7474a3c4e32c29381e3de7376 100644
--- a/third_party/WebKit/Source/core/workers/Worker.cpp
+++ b/third_party/WebKit/Source/core/workers/Worker.cpp
@@ -9,7 +9,7 @@
 #include "core/dom/ExceptionCode.h"
 #include "core/frame/UseCounter.h"
 #include "core/workers/DedicatedWorkerGlobalScopeProxyProvider.h"
-#include "core/workers/InProcessWorkerGlobalScopeProxy.h"
+#include "core/workers/InProcessWorkerMessagingProxy.h"
 
 namespace blink {
 
@@ -43,7 +43,7 @@ const AtomicString& Worker::interfaceName() const
     return EventTargetNames::Worker;
 }
 
-InProcessWorkerGlobalScopeProxy* Worker::createInProcessWorkerGlobalScopeProxy(ExecutionContext* context)
+InProcessWorkerMessagingProxy* Worker::createInProcessWorkerGlobalScopeProxy(ExecutionContext* context)
 {
     Document* document = toDocument(context);
     DedicatedWorkerGlobalScopeProxyProvider* proxyProvider = DedicatedWorkerGlobalScopeProxyProvider::from(*document->page());