[BackgroundSync] Only allow SyncManager.register to occur from main frame

content/browser/service_worker/service_worker_context_unittest.cc

Index: content/browser/service_worker/service_worker_context_unittest.cc
diff --git a/content/browser/service_worker/service_worker_context_unittest.cc b/content/browser/service_worker/service_worker_context_unittest.cc
index 550db57c7bc3938e43995ed592541fed0dc595e1..3071b6d5172297d135b71476de2bc1c85a8c7a34 100644
--- a/content/browser/service_worker/service_worker_context_unittest.cc
+++ b/content/browser/service_worker/service_worker_context_unittest.cc
@@ -525,31 +525,6 @@ TEST_F(ServiceWorkerContextTest, RegisterDuplicateScript) {
   EXPECT_EQ(old_registration_id, notifications_[1].registration_id);
 }
 
-TEST_F(ServiceWorkerContextTest, HasWindowProviderHost) {
-  const int kRenderProcessId = 1;
-  const GURL kOrigin = GURL("http://www.example.com/");
-  const GURL kOriginOther = GURL("https://www.example.com/");
-  int provider_id = 1;
-
-  ServiceWorkerProviderHost* host_window(new ServiceWorkerProviderHost(
-      kRenderProcessId, MSG_ROUTING_NONE, provider_id++,
-      SERVICE_WORKER_PROVIDER_FOR_WINDOW, context()->AsWeakPtr(), nullptr));
-  host_window->SetDocumentUrl(kOrigin);
-
-  // Host2 (provider_id=2): process_id=2, origin2.
-  ServiceWorkerProviderHost* host_worker(new ServiceWorkerProviderHost(
-      kRenderProcessId, MSG_ROUTING_NONE, provider_id++,
-      SERVICE_WORKER_PROVIDER_FOR_WORKER, context()->AsWeakPtr(), nullptr));
-  host_worker->SetDocumentUrl(kOrigin);
-
-  EXPECT_FALSE(context()->HasWindowProviderHost(kOrigin));
-  context()->AddProviderHost(make_scoped_ptr(host_worker));
-  EXPECT_FALSE(context()->HasWindowProviderHost(kOrigin));
-  context()->AddProviderHost(make_scoped_ptr(host_window));
-  EXPECT_TRUE(context()->HasWindowProviderHost(kOrigin));
-  EXPECT_FALSE(context()->HasWindowProviderHost(kOriginOther));
-}
-
 TEST_F(ServiceWorkerContextTest, ProviderHostIterator) {
   const int kRenderProcessId1 = 1;
   const int kRenderProcessId2 = 2;