Simplify SharedWorkerRepository code

Source/core/workers/SharedWorker.cpp

Index: Source/core/workers/SharedWorker.cpp
diff --git a/Source/core/workers/SharedWorker.cpp b/Source/core/workers/SharedWorker.cpp
index 781c4f6ca4eb9a7d7007305c7f68d80c220b47be..a7a72c5e2dcf55fd7164fe9286d3db81ec677487 100644
--- a/Source/core/workers/SharedWorker.cpp
+++ b/Source/core/workers/SharedWorker.cpp
@@ -38,8 +38,9 @@
 #include "core/dom/MessageChannel.h"
 #include "core/dom/MessagePort.h"
 #include "core/inspector/InspectorInstrumentation.h"
+#include "core/page/Page.h"
 #include "core/page/UseCounter.h"
-#include "core/workers/SharedWorkerRepository.h"
+#include "core/workers/SharedWorkerRepositoryClient.h"
 #include "weborigin/KURL.h"
 #include "weborigin/SecurityOrigin.h"
 
@@ -54,6 +55,8 @@ inline SharedWorker::SharedWorker(ExecutionContext* context)
 PassRefPtr<SharedWorker> SharedWorker::create(ExecutionContext* context, const String& url, const String& name, ExceptionState& es)
 {
     ASSERT(isMainThread());
+    ASSERT_WITH_SECURITY_IMPLICATION(context->isDocument());
+
     UseCounter::count(toDocument(context)->domWindow(), UseCounter::SharedWorkerStart);
 
     RefPtr<SharedWorker> worker = adoptRef(new SharedWorker(context));
@@ -66,7 +69,6 @@ PassRefPtr<SharedWorker> SharedWorker::create(ExecutionContext* context, const S
     worker->suspendIfNeeded();
 
     // We don't currently support nested workers, so workers can only be created from documents.
-    ASSERT_WITH_SECURITY_IMPLICATION(context->isDocument());
     Document* document = toDocument(context);
     if (!document->securityOrigin()->canAccessSharedWorkers()) {
         es.throwSecurityError("Failed to create 'SharedWorker': access to shared workers is denied to origin '" + document->securityOrigin()->toString() + "'.");
@@ -77,7 +79,8 @@ PassRefPtr<SharedWorker> SharedWorker::create(ExecutionContext* context, const S
     if (scriptURL.isEmpty())
         return 0;
 
-    SharedWorkerRepository::connect(worker.get(), remotePort.release(), scriptURL, name, es);
+    if (document->page() && document->page()->sharedWorkerRepositoryClient())
+        document->page()->sharedWorkerRepositoryClient()->connect(worker.get(), remotePort.release(), scriptURL, name, es);
 
     return worker.release();
 }