Create MediaRouterActionController and MediaRouterUIService

chrome/browser/media/router/media_router.h

Index: chrome/browser/media/router/media_router.h
diff --git a/chrome/browser/media/router/media_router.h b/chrome/browser/media/router/media_router.h
index 106ef5ff9c6487584f5969e2a987c84c105b0551..eb4020902a40a984acd4d94dff98b9df30c790ad 100644
--- a/chrome/browser/media/router/media_router.h
+++ b/chrome/browser/media/router/media_router.h
@@ -7,6 +7,7 @@
 
 #include <stdint.h>
 
+#include <memory>
 #include <string>
 #include <vector>
 
@@ -22,6 +23,9 @@
 #include "components/keyed_service/core/keyed_service.h"
 #include "content/public/browser/presentation_service_delegate.h"
 
+#if !defined(OS_ANDROID)
+class MediaRouterActionController;
+#endif
 class Profile;
 
 namespace content {
@@ -183,6 +187,11 @@ class MediaRouter : public KeyedService {
   // This will terminate all incognito media routes.
   virtual void OnIncognitoProfileShutdown() = 0;
 
+#if !defined(OS_ANDROID)
+  // Returns the controller for media router toolbar action icon.
+  virtual MediaRouterActionController* GetActionController() = 0;
+#endif
+
  private:
   friend class IssuesObserver;
   friend class MediaSinksObserver;