Add asar:// protocol handler.

atom/browser/net/asar/asar_protocol_handler.h

@@ -0,0 +1,37 @@
+// Copyright (c) 2014 GitHub, Inc. All rights reserved.
+// Use of this source code is governed by the MIT license that can be
+// found in the LICENSE file.
+
+#ifndef ATOM_BROWSER_NET_ASAR_ASAR_PROTOCOL_HANDLER_H_
+#define ATOM_BROWSER_NET_ASAR_ASAR_PROTOCOL_HANDLER_H_
+
+#include "base/memory/ref_counted.h"
+#include "net/url_request/url_request_job_factory.h"
+
+namespace base {
+class TaskRunner;
+}
+
+namespace asar {
+
+class AsarProtocolHandler : public net::URLRequestJobFactory::ProtocolHandler {
+ public:
+  explicit AsarProtocolHandler(
+      const scoped_refptr<base::TaskRunner>& file_task_runner);
+  virtual ~AsarProtocolHandler();
+
+  // net::URLRequestJobFactory::ProtocolHandler:
+  virtual net::URLRequestJob* MaybeCreateJob(
+      net::URLRequest* request,
+      net::NetworkDelegate* network_delegate) const OVERRIDE;
+  virtual bool IsSafeRedirectTarget(const GURL& location) const OVERRIDE;
+
+ private:
+  const scoped_refptr<base::TaskRunner> file_task_runner_;
+
+  DISALLOW_COPY_AND_ASSIGN(AsarProtocolHandler);
+};
+
+}  // namespace asar
+
+#endif  // ATOM_BROWSER_NET_ASAR_ASAR_PROTOCOL_HANDLER_H_