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

third_party/WebKit/Source/modules/remoteplayback/RemotePlayback.h

 // Copyright 2016 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.
 
 #ifndef RemotePlayback_h
 #define RemotePlayback_h
 
 #include "bindings/core/v8/ActiveScriptWrappable.h"
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptState.h"
@@ skipping 10 matching lines @@
 namespace blink {
 
 class ExecutionContext;
 class HTMLMediaElement;
 class RemotePlaybackAvailabilityCallback;
 class ScriptPromiseResolver;
 
 class MODULES_EXPORT RemotePlayback final
     : public EventTargetWithInlineData,
       public ActiveScriptWrappable,
-      WTF_NON_EXPORTED_BASE(private WebRemotePlaybackClient) {
+      WTF_NON_EXPORTED_BASE(public WebRemotePlaybackClient) {
   DEFINE_WRAPPERTYPEINFO();
   USING_GARBAGE_COLLECTED_MIXIN(RemotePlayback);
 
  public:
   static RemotePlayback* create(ScriptState*, HTMLMediaElement&);
 
   // Notifies this object that disableRemotePlayback attribute was set on the
   // corresponding media element.
   void remotePlaybackDisabled();
 
@@ skipping 34 matching lines @@
   friend class RemotePlaybackTest;
 
   explicit RemotePlayback(ScriptState*, HTMLMediaElement&);
 
   // Calls the specified availability callback with the current availability.
   // Need a void() method to post it as a task.
   void notifyInitialAvailability(int callbackId);
 
   // WebRemotePlaybackClient implementation.
   void stateChanged(WebRemotePlaybackState) override;
-  void availabilityChanged(bool available) override;
+  void availabilityChanged(bool isRouteAvailable,
+                           bool isSourceCompatible) override;
   void promptCancelled() override;
+  bool remotePlaybackAvailable() const override;
 
   // Prevent v8 from garbage collecting the availability callbacks.
   // TODO(avayvod): remove when crbug.com/468240 is fixed and the references
   // are maintained automatically.
   void setV8ReferencesForCallbacks(v8::Isolate*,
                                    const v8::Persistent<v8::Object>& wrapper);
 
   RefPtr<ScriptState> m_scriptState;
   WebRemotePlaybackState m_state;
-  bool m_availability;
+  bool m_routeAvailable;
+  bool m_sourceCompatible;
   HeapHashMap<int, TraceWrapperMember<RemotePlaybackAvailabilityCallback>>
       m_availabilityCallbacks;
   Member<HTMLMediaElement> m_mediaElement;
   Member<ScriptPromiseResolver> m_promptPromiseResolver;
 };
 
 }  // namespace blink
 
 #endif  // RemotePlayback_h