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

content/common/media/media_player_messages_android.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // IPC messages for android media player.
 // Multiply-included message file, hence no include guard.
 
 #include "base/time/time.h"
 #include "content/common/content_export.h"
 #include "ipc/ipc_message_macros.h"
 #include "media/blink/renderer_media_player_interface.h"
 #include "media/gpu/ipc/common/media_param_traits.h"
+#include "third_party/WebKit/public/platform/modules/remoteplayback/WebRemotePlaybackAvailability.h"
 #include "ui/gfx/geometry/rect_f.h"
 #include "url/gurl.h"
 
 #undef IPC_MESSAGE_EXPORT
 #define IPC_MESSAGE_EXPORT CONTENT_EXPORT
 #define IPC_MESSAGE_START MediaPlayerMsgStart
 
 IPC_ENUM_TRAITS_MAX_VALUE(MediaPlayerHostMsg_Initialize_Type,
                           MEDIA_PLAYER_TYPE_LAST)
 
+IPC_ENUM_TRAITS_MAX_VALUE(blink::WebRemotePlaybackAvailability,
+                          blink::WebRemotePlaybackAvailability::Last)
+
 // Parameters to describe a media player
 IPC_STRUCT_BEGIN(MediaPlayerHostMsg_Initialize_Params)
   IPC_STRUCT_MEMBER(MediaPlayerHostMsg_Initialize_Type, type)
   IPC_STRUCT_MEMBER(int, player_id)
   IPC_STRUCT_MEMBER(GURL, url)
   IPC_STRUCT_MEMBER(GURL, first_party_for_cookies)
   IPC_STRUCT_MEMBER(GURL, frame_url)
   IPC_STRUCT_MEMBER(bool, allow_credentials)
   IPC_STRUCT_MEMBER(int, delegate_id)
 IPC_STRUCT_END()
@@ skipping 91 matching lines @@
 IPC_MESSAGE_ROUTED1(MediaPlayerMsg_RemotePlaybackStarted,
                     int /* player_id */)
 
 // The remote playback device selection has been cancelled.
 IPC_MESSAGE_ROUTED1(MediaPlayerMsg_CancelledRemotePlaybackRequest,
                     int /* player_id */)
 
 // The availability of remote devices has changed
 IPC_MESSAGE_ROUTED2(MediaPlayerMsg_RemoteRouteAvailabilityChanged,
                     int /* player_id */,
-                    bool /* routes_available */)
+                    blink::WebRemotePlaybackAvailability /* availability */)
 
 // Messages for controlling the media playback in browser process ----------
 
 // Destroy the media player object.
 IPC_MESSAGE_ROUTED1(MediaPlayerHostMsg_DestroyMediaPlayer,
                     int /* player_id */)
 
 // Initialize a media player object.
 IPC_MESSAGE_ROUTED1(
     MediaPlayerHostMsg_Initialize,
@@ skipping 32 matching lines @@
 IPC_MESSAGE_ROUTED1(MediaPlayerHostMsg_RequestRemotePlayback,
                     int /* player_id */)
 
 // Control media playing on a remote device.
 IPC_MESSAGE_ROUTED1(MediaPlayerHostMsg_RequestRemotePlaybackControl,
                     int /* player_id */)
 
 // Stop playing media on a remote device.
 IPC_MESSAGE_ROUTED1(MediaPlayerHostMsg_RequestRemotePlaybackStop,
                     int /* player_id */)