Implement a dbus client for CupsTool.

chromeos/dbus/fake_cups_client.h

Index: chromeos/dbus/fake_cups_client.h
diff --git a/chromeos/dbus/fake_cups_client.h b/chromeos/dbus/fake_cups_client.h
new file mode 100644
index 0000000000000000000000000000000000000000..8e47fbba55be85c4d22371c20aa3bbee18bfd37c
--- /dev/null
+++ b/chromeos/dbus/fake_cups_client.h
@@ -0,0 +1,40 @@
+// 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 CHROMEOS_DBUS_FAKE_CUPS_CLIENT_H_
+#define CHROMEOS_DBUS_FAKE_CUPS_CLIENT_H_
+
+#include <set>
+#include <string>
+
+#include "chromeos/chromeos_export.h"
+#include "chromeos/dbus/cups_client.h"
+
+namespace chromeos {

[hashimoto, 2016/09/07 05:53:17]

nit: Please add a blank line.

[skau, 2016/09/09 15:25:32]

Acknowledged.

+class CHROMEOS_EXPORT FakeCupsClient : public CupsClient {
+ public:
+  FakeCupsClient();
+
+  ~FakeCupsClient() override;
+
+  void AddPrinter(const std::string& name,
+                  const std::string& uri,
+                  const std::string& ppd_path,
+                  bool ipp_everywhere,
+                  const AddPrinterCallback& callback,
+                  const base::Closure& error_callback) override;
+
+  void RemovePrinter(const std::string& name,
+                     const RemovePrinterCallback& callback,
+                     const base::Closure& error_callback) override;
+
+ protected:
+  void Init(dbus::Bus* bus) override;
+
+ private:
+  std::set<std::string> printers_;
+};

[hashimoto, 2016/09/07 05:53:17]

nit: Please add a blank line.

[skau, 2016/09/09 15:25:32]

Acknowledged.

+}  // namespace chromeos
+
+#endif  // CHROMEOS_DBUS_FAKE_CUPS_CLIENT_H_