arc: Use incognito profile for OptIn and cookie fetcher

chrome/browser/extensions/api/messaging/arc_opt_in_host.h

+// Copyright 2016 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_MESSAGING_ARC_OPT_IN_HOST_H_
+#define CHROME_BROWSER_EXTENSIONS_API_MESSAGING_ARC_OPT_IN_HOST_H_
+
+#include "base/macros.h"
+#include "base/thread_task_runner_handle.h"

[xiyuan, 2016/02/11 17:57:20]

move to cc file?

[khmel, 2016/02/12 02:45:23]

Done.

+#include "chrome/browser/chromeos/arc/arc_auth_service.h"
+#include "extensions/browser/api/messaging/native_message_host.h"
+
+// Supports communication with Arc OptIn dialog.
+class ArcOptInHost : public extensions::NativeMessageHost,
+                     public arc::ArcAuthService::Observer {
+ public:
+  static const char kHostName[];
+  static const char* const kHostOrigin[];
+
+  static scoped_ptr<NativeMessageHost> Create() {
+    return scoped_ptr<NativeMessageHost>(new ArcOptInHost());

[xiyuan, 2016/02/11 17:57:20]

Move impl to cc file.

[khmel, 2016/02/12 02:45:23]

Done.

+  }
+
+  ~ArcOptInHost() override;
+
+  // Overrides NativeMessageHost:
+  void Start(Client* client) override;
+  void OnMessage(const std::string& request_string) override;
+  scoped_refptr<base::SingleThreadTaskRunner> task_runner() const override;
+
+  // Overrides arc::ArcAuthService::Observer:
+  void OnOptInUINeedToClose() override;
+
+ private:
+  // Unowned pointer.
+  Client* client_ = nullptr;
+
+  ArcOptInHost();
+
+  DISALLOW_COPY_AND_ASSIGN(ArcOptInHost);
+};
+
+#endif  // CHROME_BROWSER_EXTENSIONS_API_MESSAGING_ARC_OPT_IN_HOST_H_