Host side implementation of ARC tts.

components/arc/tts/arc_tts_service.cc

+// 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 "components/arc/tts/arc_tts_service.h"
+
+#include "base/logging.h"
+#include "components/arc/arc_bridge_service.h"
+
+namespace arc {
+
+ArcTtsService::ArcTtsService(ArcBridgeService* bridge_service)
+    : ArcService(bridge_service) {
+  arc_bridge_service()->tts()->AddObserver(this);
+}
+
+ArcTtsService::~ArcTtsService() {
+  arc_bridge_service()->tts()->RemoveObserver(this);
+}
+
+void ArcTtsService::OnInstanceReady() {
+  mojom::TtsInstance* tts_instance = arc_bridge_service()->tts()->instance();
+  if (!tts_instance) {
+    LOG(ERROR) << "OnTtsInstanceReady called, "
+               << "but no tts instance found";
+    return;
+  }
+}
+
+}  // namespace arc