Remove explicit singletonness of ArcBridgeService part 3.

chrome/browser/speech/tts_chromeos.cc

Index: chrome/browser/speech/tts_chromeos.cc
diff --git a/chrome/browser/speech/tts_chromeos.cc b/chrome/browser/speech/tts_chromeos.cc
index d7f9465f98fd474e365668aec5b8b41e0140da3a..cb7749a692764219bb29b167184cad03927366c0 100644
--- a/chrome/browser/speech/tts_chromeos.cc
+++ b/chrome/browser/speech/tts_chromeos.cc
@@ -5,6 +5,7 @@
 #include "base/macros.h"
 #include "chrome/browser/speech/tts_platform.h"
 #include "components/arc/arc_bridge_service.h"
+#include "components/arc/arc_service_manager.h"
 #include "components/arc/common/tts.mojom.h"
 #include "content/public/browser/browser_thread.h"
 
@@ -17,10 +18,12 @@ constexpr uint32_t kDefaultMinVersion = 0;
 arc::mojom::TtsInstance* GetArcTts(const std::string& method_name_for_logging,
                                    uint32_t min_version) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
-  return arc::ArcBridgeService::Get()
-             ? arc::ArcBridgeService::Get()->tts()->GetInstanceForMethod(
-                   method_name_for_logging, min_version)
-             : nullptr;
+  auto* const arc_service_manager = arc::ArcServiceManager::Get();
+  if (!arc_service_manager)
+    return nullptr;
+
+  return arc_service_manager->arc_bridge_service()->tts()->GetInstanceForMethod(
+      method_name_for_logging, min_version);
 }
 
 }  // namespace
@@ -31,8 +34,11 @@ class TtsPlatformImplChromeOs : public TtsPlatformImpl {
  public:
   // TtsPlatformImpl overrides:
   bool PlatformImplAvailable() override {
-    return arc::ArcBridgeService::Get() &&
-           arc::ArcBridgeService::Get()->tts()->has_instance();
+    return arc::ArcServiceManager::Get() &&
+           arc::ArcServiceManager::Get()
+               ->arc_bridge_service()
+               ->tts()
+               ->has_instance();
   }
 
   bool LoadBuiltInTtsExtension(