Make ServiceWorkerDispatcher reuse existing WebServiceWorkerImpls.

content/child/service_worker/web_service_worker_impl.cc

Index: content/child/service_worker/web_service_worker_impl.cc
diff --git a/content/child/service_worker/web_service_worker_impl.cc b/content/child/service_worker/web_service_worker_impl.cc
index d996dd6e52a11c1a30c5967177c89b96c3cf8742..685c68cb8ab82dd501640d707edc3b2fbfe0899a 100644
--- a/content/child/service_worker/web_service_worker_impl.cc
+++ b/content/child/service_worker/web_service_worker_impl.cc
@@ -20,21 +20,6 @@ using blink::WebString;
 namespace content {
 
 WebServiceWorkerImpl::WebServiceWorkerImpl(
-    const ServiceWorkerObjectInfo& info,
-    ThreadSafeSender* thread_safe_sender)
-    : handle_ref_(
-          ServiceWorkerHandleReference::CreateForDeleter(info,
-                                                         thread_safe_sender)),
-      state_(handle_ref_->state()),
-      thread_safe_sender_(thread_safe_sender),
-      proxy_(NULL) {
-  ServiceWorkerDispatcher* dispatcher =
-      ServiceWorkerDispatcher::GetThreadSpecificInstance();
-  DCHECK(dispatcher);
-  dispatcher->AddServiceWorker(handle_ref_->handle_id(), this);
-}
-
-WebServiceWorkerImpl::WebServiceWorkerImpl(
     scoped_ptr<ServiceWorkerHandleReference> handle_ref,
     ThreadSafeSender* thread_safe_sender)
     : handle_ref_(handle_ref.Pass()),
@@ -69,6 +54,10 @@ void WebServiceWorkerImpl::setProxy(blink::WebServiceWorkerProxy* proxy) {
   proxy_ = proxy;
 }
 
+blink::WebServiceWorkerProxy* WebServiceWorkerImpl::proxy() {
+  return proxy_;
+}
+
 void WebServiceWorkerImpl::proxyReadyChanged() {
   if (!proxy_->isReady())
     return;