mash: Change CastConfigDelegate to a mojoified CastConfigClient.

ash/common/cast_config_controller.cc

Index: ash/common/cast_config_controller.cc
diff --git a/ash/common/cast_config_controller.cc b/ash/common/cast_config_controller.cc
new file mode 100644
index 0000000000000000000000000000000000000000..1a693fcde5bdec677abbd0b401e6dd35b39edc7f
--- /dev/null
+++ b/ash/common/cast_config_controller.cc
@@ -0,0 +1,71 @@
+// 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 "ash/common/cast_config_controller.h"
+
+#include <utility>
+#include <vector>
+
+#include "base/logging.h"
+#include "content/public/common/service_names.mojom.h"
+#include "services/service_manager/public/cpp/connector.h"
+
+namespace ash {
+
+CastConfigController::CastConfigController() {}
+
+CastConfigController::~CastConfigController() {}
+
+bool CastConfigController::Connected() {
+  return client_.is_bound();
+}
+
+void CastConfigController::AddObserver(CastConfigControllerObserver* observer) {
+  observers_.AddObserver(observer);
+}
+
+void CastConfigController::RemoveObserver(
+    CastConfigControllerObserver* observer) {
+  observers_.RemoveObserver(observer);
+}
+
+void CastConfigController::BindRequest(mojom::CastConfigRequest request) {
+  bindings_.AddBinding(this, std::move(request));
+}
+
+void CastConfigController::SetClient(
+    mojom::CastConfigClientAssociatedPtrInfo client) {
+  client_.Bind(std::move(client));
+
+  // If we added observers before we were connected to, run them now.
+  if (observers_.might_have_observers())
+    client_->RequestDeviceRefresh();
+}
+
+void CastConfigController::OnDevicesUpdated(
+    std::vector<mojom::SinkAndRoutePtr> devices) {
+  for (auto& observer : observers_) {
+    std::vector<mojom::SinkAndRoutePtr> devices_copy;
+    for (auto& item : devices)
+      devices_copy.push_back(item.Clone());
+    observer.OnDevicesUpdated(std::move(devices_copy));
+  }
+}
+
+void CastConfigController::RequestDeviceRefresh() {
+  if (client_)
+    client_->RequestDeviceRefresh();
+}
+
+void CastConfigController::CastToSink(ash::mojom::CastSinkPtr sink) {
+  if (client_)
+    client_->CastToSink(std::move(sink));
+}
+
+void CastConfigController::StopCasting(ash::mojom::CastRoutePtr route) {
+  if (client_)
+    client_->StopCasting(std::move(route));
+}
+
+}  // namespace ash