Host side implementation of ARC tts.

chrome/browser/chromeos/arc/arc_service_launcher.cc

Index: chrome/browser/chromeos/arc/arc_service_launcher.cc
diff --git a/chrome/browser/chromeos/arc/arc_service_launcher.cc b/chrome/browser/chromeos/arc/arc_service_launcher.cc
index 25f6514e7bb84c3ed9584d935cbe9219fe40c8ac..6c0c0fcffd17722d41b7bc3089b4e8f3aa8665ba 100644
--- a/chrome/browser/chromeos/arc/arc_service_launcher.cc
+++ b/chrome/browser/chromeos/arc/arc_service_launcher.cc
@@ -13,6 +13,7 @@
 #include "chrome/browser/chromeos/arc/arc_policy_bridge.h"
 #include "chrome/browser/chromeos/arc/arc_process_service.h"
 #include "chrome/browser/chromeos/arc/arc_settings_service.h"
+#include "chrome/browser/chromeos/arc/arc_tts_service.h"
 #include "chrome/browser/chromeos/arc/arc_wallpaper_handler.h"
 #include "chrome/browser/chromeos/arc/gpu_arc_video_service_host.h"
 #include "components/arc/arc_bridge_service.h"
@@ -49,6 +50,8 @@ void ArcServiceLauncher::Initialize() {
       arc_service_manager_->arc_bridge_service()));
   arc_service_manager_->AddService(base::MakeUnique<ArcSettingsService>(
       arc_service_manager_->arc_bridge_service()));
+  arc_service_manager_->AddService(base::MakeUnique<ArcTtsService>(
+      arc_service_manager_->arc_bridge_service()));
   arc_service_manager_->AddService(base::MakeUnique<GpuArcVideoServiceHost>(
       arc_service_manager_->arc_bridge_service()));
 }