Update WebWorkerClientProxy to respect the "create" param.

chrome/worker/webworkerclient_proxy.cc

Index: chrome/worker/webworkerclient_proxy.cc
diff --git a/chrome/worker/webworkerclient_proxy.cc b/chrome/worker/webworkerclient_proxy.cc
index c4c3e79ebf1b3cdcd02b2724888fd3ff54930d29..32f74464a865bfebb8b938f06c53dcfbaf65a7fe 100644
--- a/chrome/worker/webworkerclient_proxy.cc
+++ b/chrome/worker/webworkerclient_proxy.cc
@@ -156,10 +156,11 @@ bool WebWorkerClientProxy::allowDatabase(WebFrame* frame,
 void WebWorkerClientProxy::openFileSystem(
     WebKit::WebFileSystem::Type type,
     long long size,
+    bool create,
     WebKit::WebFileSystemCallbacks* callbacks) {
   ChildThread::current()->file_system_dispatcher()->OpenFileSystem(
       stub_->url().GetOrigin(), static_cast<fileapi::FileSystemType>(type),
-      size, true /* create */, new WebFileSystemCallbackDispatcher(callbacks));
+      size, create, new WebFileSystemCallbackDispatcher(callbacks));
 }
 
 bool WebWorkerClientProxy::Send(IPC::Message* message) {