Send data back from service using IPC, not file.

cloud_print/service/win/setup_listener.h

Index: cloud_print/service/win/setup_listener.h
diff --git a/cloud_print/service/win/setup_listener.h b/cloud_print/service/win/setup_listener.h
new file mode 100644
index 0000000000000000000000000000000000000000..e9e49c7c3b996a402ed171f03f271e641a885ba8
--- /dev/null
+++ b/cloud_print/service/win/setup_listener.h
@@ -0,0 +1,83 @@
+// Copyright 2013 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 CLOUD_PRINT_SERVICE_SETUP_LISTENER_H_
+#define CLOUD_PRINT_SERVICE_SETUP_LISTENER_H_
+
+#include <string>
+#include <vector>
+
+#include "base/compiler_specific.h"
+#include "base/files/file_path.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/string16.h"
+#include "ipc/ipc_listener.h"
+
+namespace base {
+class Thread;
+class TimeDelta;
+class WaitableEvent;
+}  // base
+
+namespace IPC {
+class Channel;
+}  // IPC
+
+// Simple IPC listener to run on setup utility size wait message with data about
+// environment from service process.
+class SetupListener : public IPC::Listener {
+ public:
+  static const char kXpsAvailibleJsonValueName[];
+  static const char kChromePathJsonValueName[];
+  static const char kPrintersJsonValueName[];
+  static const char kUserDataDirJsonValueName[];
+  static const char kUserNameJsonValueName[];
+  static const wchar_t kSetupPipeName[];
+
+  explicit SetupListener(const string16& user);
+  virtual ~SetupListener();
+
+  virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE;
+  virtual void OnChannelError() OVERRIDE;
+
+  bool WaitResponce(const base::TimeDelta& delta);
+
+  const base::FilePath& chrome_path() const {
+    return chrome_path_;
+  }
+
+  const base::FilePath& user_data_dir() const {
+    return user_data_dir_;
+  }
+
+  const string16& user_name() const {
+    return user_name_;
+  }
+
+  const std::vector<std::string>& printers() const {
+    return printers_;
+  }
+
+  bool is_xps_availible() const {
+    return is_xps_availible_;
+  }
+
+ private:
+  void Disconnect();
+  void Connect(const string16& user);
+
+  base::FilePath chrome_path_;
+  base::FilePath user_data_dir_;
+  string16 user_name_;
+  std::vector<std::string> printers_;
+  bool is_xps_availible_;
+  bool succeded_;
+
+  scoped_ptr<base::WaitableEvent> done_event_;
+  scoped_ptr<base::Thread> ipc_thread_;
+  scoped_ptr<IPC::Channel> channel_;
+};
+
+#endif  // CLOUD_PRINT_SERVICE_SETUP_LISTENER_H_
+