Remove some content_child dependency from content_common

content/worker/websharedworker_stub.cc

Index: content/worker/websharedworker_stub.cc
diff --git a/content/worker/websharedworker_stub.cc b/content/worker/websharedworker_stub.cc
index 2737f6c422786f1ac3e74526ec7b8f9f2e490e5a..fd33a61a22c4e7b332991564367f034be2a55539 100644
--- a/content/worker/websharedworker_stub.cc
+++ b/content/worker/websharedworker_stub.cc
@@ -33,7 +33,7 @@ WebSharedWorkerStub::WebSharedWorkerStub(
   DCHECK(worker_thread);
   worker_thread->AddWorkerStub(this);
   // Start processing incoming IPCs for this worker.
-  worker_thread->AddRoute(route_id_, this);
+  worker_thread->GetRouter()->AddRoute(route_id_, this);
 
   // TODO(atwilson): Add support for NaCl when they support MessagePorts.
   impl_ = blink::WebSharedWorker::create(client());
@@ -48,7 +48,7 @@ WebSharedWorkerStub::~WebSharedWorkerStub() {
   WorkerThread* worker_thread = WorkerThread::current();
   DCHECK(worker_thread);
   worker_thread->RemoveWorkerStub(this);
-  worker_thread->RemoveRoute(route_id_);
+  worker_thread->GetRouter()->RemoveRoute(route_id_);
 }
 
 void WebSharedWorkerStub::Shutdown() {