[RemotePlayback] Keep track of source compatibility and reject prompt() correspondingly

content/renderer/media/android/renderer_media_player_manager.cc

Index: content/renderer/media/android/renderer_media_player_manager.cc
diff --git a/content/renderer/media/android/renderer_media_player_manager.cc b/content/renderer/media/android/renderer_media_player_manager.cc
index 27ebfd7f54e53fefbefe754ecc7f4d29226494eb..9aa86814f7568682eae87a690820e872275d0d69 100644
--- a/content/renderer/media/android/renderer_media_player_manager.cc
+++ b/content/renderer/media/android/renderer_media_player_manager.cc
@@ -10,10 +10,13 @@
 #include "content/renderer/media/android/webmediaplayer_android.h"
 #include "content/renderer/render_view_impl.h"
 #include "media/base/media_switches.h"
+#include "third_party/WebKit/public/platform/modules/remoteplayback/WebRemotePlaybackAvailability.h"
 #include "ui/gfx/geometry/rect_f.h"
 
 namespace content {
 
+using ::blink::WebRemotePlaybackAvailability;
+
 RendererMediaPlayerManager::RendererMediaPlayerManager(
     RenderFrame* render_frame)
     : RenderFrameObserver(render_frame),
@@ -244,10 +247,21 @@ void RendererMediaPlayerManager::OnPlayerPause(int player_id) {
 
 void RendererMediaPlayerManager::OnRemoteRouteAvailabilityChanged(
     int player_id,
-    bool routes_available) {
+    bool is_route_available,
+    bool is_source_compatible) {
   media::RendererMediaPlayerInterface* player = GetMediaPlayer(player_id);
-  if (player)
-    player->OnRemoteRouteAvailabilityChanged(routes_available);
+  if (player) {
+    WebRemotePlaybackAvailability availability =
+        WebRemotePlaybackAvailability::DeviceNotAvailable;
+    if (is_route_available && is_source_compatible) {
+      availability = WebRemotePlaybackAvailability::DeviceAvailable;
+    } else if (!is_route_available && !is_source_compatible) {
+      availability = WebRemotePlaybackAvailability::SourceNotSupported;
+    } else if (is_route_available) {
+      availability = WebRemotePlaybackAvailability::SourceNotCompatible;
+    }
+    player->OnRemoteRouteAvailabilityChanged(availability);
+  }
 }
 
 void RendererMediaPlayerManager::EnterFullscreen(int player_id) {