Cleanup: remove temporary ifdefs for multi-sided patch in EmbeddedWorkerContextClient

Now that blink side's landed and rolled we no longer need
HAS_SERVICE_WORKER_CONTEXT_DESTROYED ifdefs

BUG=366617
TEST=no functional changes

Review URL: https://codereview.chromium.org/273423003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@269761 0039d316-1c4b-4281-b951-d872f2087c98

content/renderer/service_worker/embedded_worker_context_client.cc

@@ -165,26 +165,15 @@ void EmbeddedWorkerContextClient::willDestroyWorkerContext() {
   // worker_task_runner_->RunsTasksOnCurrentThread() returns false
   // (while we're still on the worker thread).
   script_context_.reset();
-
-#if !defined(HAS_SERVICE_WORKER_CONTEXT_DESTROYED)
-  // TODO(kinuko): Remove this after blink side is landed.
-  main_thread_proxy_->PostTask(
-      FROM_HERE,
-      base::Bind(&CallWorkerContextDestroyedOnMainThread,
-                 embedded_worker_id_));
-#endif
 }
 
 void EmbeddedWorkerContextClient::workerContextDestroyed() {
-  // TODO(kinuko): Remove this ifdef after blink side is landed.
-#ifdef HAS_SERVICE_WORKER_CONTEXT_DESTROYED
   // Now we should be able to free the WebEmbeddedWorker container on the
   // main thread.
   main_thread_proxy_->PostTask(
       FROM_HERE,
       base::Bind(&CallWorkerContextDestroyedOnMainThread,
                  embedded_worker_id_));
-#endif
 }
 
 void EmbeddedWorkerContextClient::reportException(