Move PrivetV3ContextGetter into separate file next to privet_v3_session

chrome/browser/extensions/api/gcd_private/privet_v3_context_getter.h

+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CHROME_BROWSER_EXTENSIONS_API_GCD_PRIVATE_PRIVET_V3_CONTEXT_GETTER_H_
+#define CHROME_BROWSER_EXTENSIONS_API_GCD_PRIVATE_PRIVET_V3_CONTEXT_GETTER_H_
+
+#include "base/macros.h"
+#include "base/memory/ref_counted.h"
+#include "base/single_thread_task_runner.h"
+#include "net/url_request/url_request_context_getter.h"
+
+namespace base {
+class SingleThreadTaskRunner;
+}
+
+namespace net {
+class CertVerifier;
+class URLRequestContext;
+struct SHA256HashValue;
+}
+
+namespace extensions {
+
+class PrivetV3ContextGetter : public net::URLRequestContextGetter {
+ public:
+  PrivetV3ContextGetter(
+      const scoped_refptr<base::SingleThreadTaskRunner>& net_task_runner,
+      const net::SHA256HashValue& certificate_fingerprint);
+
+  net::URLRequestContext* GetURLRequestContext() override;
+
+  scoped_refptr<base::SingleThreadTaskRunner> GetNetworkTaskRunner()
+      const override;
+
+ protected:
+  ~PrivetV3ContextGetter() override;
+
+ private:
+  scoped_ptr<net::CertVerifier> verifier_;
+  scoped_ptr<net::URLRequestContext> context_;
+  scoped_refptr<base::SingleThreadTaskRunner> net_task_runner_;
+
+  DISALLOW_COPY_AND_ASSIGN(PrivetV3ContextGetter);
+};
+
+}  // namespace extensions
+
+#endif  // CHROME_BROWSER_EXTENSIONS_API_GCD_PRIVATE_PRIVET_V3_CONTEXT_GETTER_H_