Implement a dbus client for CupsTool.

chromeos/dbus/fake_cups_client.cc

Index: chromeos/dbus/fake_cups_client.cc
diff --git a/chromeos/dbus/fake_cups_client.cc b/chromeos/dbus/fake_cups_client.cc
new file mode 100644
index 0000000000000000000000000000000000000000..657d1f22f7262144a84e41228bfceab0dd0de1b2
--- /dev/null
+++ b/chromeos/dbus/fake_cups_client.cc
@@ -0,0 +1,44 @@
+// 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.
+
+#include "chromeos/dbus/fake_cups_client.h"
+
+#include "base/bind.h"
+#include "base/logging.h"
+#include "base/stl_util.h"
+#include "base/threading/thread_task_runner_handle.h"
+
+namespace chromeos {
+
+FakeCupsClient::FakeCupsClient() {}
+
+FakeCupsClient::~FakeCupsClient() {}
+
+void FakeCupsClient::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) {
+  printers_.insert(name);
+  base::ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE,
+                                                base::Bind(callback, true));
+}
+
+void FakeCupsClient::RemovePrinter(const std::string& name,
+                                   const RemovePrinterCallback& callback,
+                                   const base::Closure& error_callback) {
+  const bool has_printer = base::ContainsKey(printers_, name);
+  if (has_printer)
+    printers_.erase(name);
+
+  base::ThreadTaskRunnerHandle::Get()->PostTask(
+      FROM_HERE, base::Bind(callback, has_printer));
+}
+
+void FakeCupsClient::Init(dbus::Bus* bus) {
+  VLOG(1) << "FakeCupsClient initialized";
+}
+
+}  // namespace chromeos