REVIEW: setup request context for NSS OCSP only once

brightray/browser/io_thread.cc

@@ -0,0 +1,48 @@
+// Copyright (c) 2017 GitHub, Inc.
+// Use of this source code is governed by the MIT license that can be
+// found in the LICENSE file.
+
+#include "brightray/browser/io_thread.h"
+
+#include "content/public/browser/browser_thread.h"
+#include "net/proxy/proxy_service.h"
+#include "net/url_request/url_request_context.h"
+#include "net/url_request/url_request_context_builder.h"
+
+#if defined(USE_NSS_CERTS)
+#include "net/cert_net/nss_ocsp.h"
+#endif
+
+using content::BrowserThread;
+
+namespace brightray {
+
+IOThread::IOThread() {
+  BrowserThread::SetIOThreadDelegate(this);
+}
+
+IOThread::~IOThread() {
+  BrowserThread::SetIOThreadDelegate(nullptr);
+}
+
+void IOThread::Init() {
+  net::URLRequestContextBuilder builder;
+  builder.set_proxy_service(net::ProxyService::CreateDirect());
+  builder.DisableHttpCache();
+  url_request_context_ = builder.Build();
+
+#if defined(USE_NSS_CERTS)
+  net::SetMessageLoopForNSSHttpIO();
+  net::SetURLRequestContextForNSSHttpIO(url_request_context_.get());
+#endif
+}
+
+void IOThread::CleanUp() {
+#if defined(USE_NSS_CERTS)
+  net::ShutdownNSSHttpIO();
+  net::SetURLRequestContextForNSSHttpIO(nullptr);
+#endif
+  url_request_context_.reset();
+}
+
+}  // namespace brightray