[Media Router] Use DialMediaSinkService in MediaRouterMojoImpl

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 9b778029530627e63ca792ea57f11021be4dd65d..1c17a69d529f1d1e8c14c84dab411a25b806d075 100644
--- a/chrome/browser/media/router/mojo/media_router_mojo_impl.cc
+++ b/chrome/browser/media/router/mojo/media_router_mojo_impl.cc
@@ -15,6 +15,7 @@
 #include "base/observer_list.h"
 #include "base/stl_util.h"
 #include "base/strings/stringprintf.h"
+#include "chrome/browser/media/router/discovery/dial/dial_media_sink_service_delegate.h"
 #include "chrome/browser/media/router/issues_observer.h"
 #include "chrome/browser/media/router/media_router_factory.h"
 #include "chrome/browser/media/router/media_routes_observer.h"
@@ -23,6 +24,7 @@
 #include "chrome/browser/media/router/mojo/media_route_provider_util_win.h"
 #include "chrome/browser/media/router/mojo/media_router_mojo_metrics.h"
 #include "chrome/browser/media/router/route_message_observer.h"
+#include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/sessions/session_tab_helper.h"
 #include "chrome/common/media_router/media_source_helper.h"
 #include "chrome/common/media_router/route_message.h"
@@ -58,11 +60,13 @@ MediaRouterMojoImpl::MediaSinksQuery::MediaSinksQuery() = default;
 MediaRouterMojoImpl::MediaSinksQuery::~MediaSinksQuery() = default;
 
 MediaRouterMojoImpl::MediaRouterMojoImpl(
-    extensions::EventPageTracker* event_page_tracker)
+    extensions::EventPageTracker* event_page_tracker,
+    content::BrowserContext* context)
     : event_page_tracker_(event_page_tracker),
       instance_id_(base::GenerateGUID()),
       availability_(mojom::MediaRouter::SinkAvailability::UNAVAILABLE),
       current_wake_reason_(MediaRouteProviderWakeReason::TOTAL_COUNT),
+      context_(context),
       weak_factory_(this) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   DCHECK(event_page_tracker_);
@@ -75,6 +79,8 @@ MediaRouterMojoImpl::MediaRouterMojoImpl(
 
 MediaRouterMojoImpl::~MediaRouterMojoImpl() {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
+  if (dial_media_sink_service_delegate_)
+    dial_media_sink_service_delegate_->Stop();
 }
 
 // static
@@ -152,6 +158,7 @@ void MediaRouterMojoImpl::RegisterMediaRouteProvider(
   media_route_provider_ = std::move(media_route_provider_ptr);
   media_route_provider_.set_connection_error_handler(base::Bind(
       &MediaRouterMojoImpl::OnConnectionError, base::Unretained(this)));
+
   callback.Run(instance_id_);
   ExecutePendingRequests();
   SyncStateToMediaRouteProvider();
@@ -423,6 +430,8 @@ void MediaRouterMojoImpl::ProvideSinks(
     const std::string& provider_name,
     const std::vector<MediaSinkInternal>& sinks) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
+  DVLOG_WITH_INSTANCE(1) << "OnDialMediaSinkDiscovered found " << sinks.size()
+                         << " devices...";
 
   SetWakeReason(MediaRouteProviderWakeReason::PROVIDE_SINKS);
   RunOrDefer(base::Bind(&MediaRouterMojoImpl::DoProvideSinks,
@@ -1062,6 +1071,24 @@ void MediaRouterMojoImpl::OnFirewallCheckComplete(
 }
 #endif
 
+void MediaRouterMojoImpl::StartDiscovery() {
+  DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
+  DVLOG_WITH_INSTANCE(1) << "StartDiscovery";
+
+  if (dial_media_sink_service_delegate_)
+    return;
+
+  auto* profile = Profile::FromBrowserContext(context_);
+  if (!profile)
+    return;
+
+  dial_media_sink_service_delegate_ = new DialMediaSinkServiceDelegate();
+  dial_media_sink_service_delegate_->Start(
+      base::Bind(&MediaRouterMojoImpl::ProvideSinks, base::Unretained(this),
+                 "dial"),
+      profile->GetRequestContext());
+}
+
 void MediaRouterMojoImpl::UpdateMediaSinks(
     const MediaSource::Id& source_id) {
   SetWakeReason(MediaRouteProviderWakeReason::UPDATE_MEDIA_SINKS);