[Media Router] Add ProvideSinks() Mojo API

chrome/browser/media/router/mojo/media_router_mojo_impl.cc

Index: chrome/browser/media/router/mojo/media_router_mojo_impl.cc
diff --git a/chrome/browser/media/router/mojo/media_router_mojo_impl.cc b/chrome/browser/media/router/mojo/media_router_mojo_impl.cc
index 1ab82b225d87af0a89eff73ec52a7b4d37212bdf..33d968231cd4f5258cd3db71301cba55ae033248 100644
--- a/chrome/browser/media/router/mojo/media_router_mojo_impl.cc
+++ b/chrome/browser/media/router/mojo/media_router_mojo_impl.cc
@@ -439,6 +439,15 @@ void MediaRouterMojoImpl::SearchSinks(
                         search_input, domain, sink_callback));
 }
 
+void MediaRouterMojoImpl::OnSinksDiscovered(
+    std::unique_ptr<MediaSinkList> sinks) {
+  DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
+
+  SetWakeReason(MediaRouteProviderWakeReason::ON_SINKS_DISCOVERED);
+  RunOrDefer(base::Bind(&MediaRouterMojoImpl::DoOnSinksDiscovered,
+                        base::Unretained(this), base::Passed(&sinks)));
+}
+
 bool MediaRouterMojoImpl::RegisterMediaSinksObserver(
     MediaSinksObserver* observer) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
@@ -711,6 +720,12 @@ void MediaRouterMojoImpl::DoSearchSinks(
       sink_id, source_id, std::move(sink_search_criteria), sink_callback);
 }
 
+void MediaRouterMojoImpl::DoOnSinksDiscovered(
+    std::unique_ptr<MediaSinkList> sinks) {
+  DVLOG_WITH_INSTANCE(1) << "DoOnSinksDiscovered";
+  media_route_provider_->OnSinksDiscovered(std::move(*sinks));
+}
+
 void MediaRouterMojoImpl::OnRouteMessagesReceived(
     const std::string& route_id,
     const std::vector<RouteMessage>& messages) {