Remove deprecated overload of openFileSystem for workers.

content/worker/webworkerclient_proxy.cc

Index: content/worker/webworkerclient_proxy.cc
diff --git a/content/worker/webworkerclient_proxy.cc b/content/worker/webworkerclient_proxy.cc
index d3c7334cad8aca490ca692913ec1642bee06bc6d..3f67170b5de3dbb0fcff4ccf32dd43a51af7e7f0 100644
--- a/content/worker/webworkerclient_proxy.cc
+++ b/content/worker/webworkerclient_proxy.cc
@@ -168,13 +168,6 @@ void WebWorkerClientProxy::openFileSystem(
       size, create, new WebFileSystemCallbackDispatcher(callbacks));
 }
 
-void WebWorkerClientProxy::openFileSystem(
-    WebKit::WebFileSystem::Type type,
-    long long size,
-    WebKit::WebFileSystemCallbacks* callbacks) {
-  openFileSystem(type, size, true, callbacks);
-}
-
 bool WebWorkerClientProxy::Send(IPC::Message* message) {
   return WorkerThread::current()->Send(message);
 }