Remove MediaControls methods needed for the Cast button

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

+// Copyright 2017 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 AvailabilityCallbackWrapper_h
+#define AvailabilityCallbackWrapper_h
+
+#include <memory>
+
+#include "bindings/core/v8/ScriptWrappable.h"
+#include "bindings/core/v8/TraceWrapperMember.h"
+#include "platform/heap/GarbageCollected.h"
+#include "platform/wtf/Compiler.h"
+#include "platform/wtf/Functional.h"
+
+namespace blink {
+
+class RemotePlaybackAvailabilityCallback;
+class RemotePlayback;
+
+// Wraps either a WTF::Closure or RemotePlaybackAvailabilityCallback object
+// to be kept in the RemotePlayback's |availability_callbacks_| map.
+class AvailabilityCallbackWrapper final
+    : public GarbageCollectedFinalized<AvailabilityCallbackWrapper>,
+      public TraceWrapperBase {
+  WTF_MAKE_NONCOPYABLE(AvailabilityCallbackWrapper);
+
+ public:
+  explicit AvailabilityCallbackWrapper(RemotePlaybackAvailabilityCallback*);
+  explicit AvailabilityCallbackWrapper(std::unique_ptr<WTF::Closure>);
+  ~AvailabilityCallbackWrapper() = default;
+
+  void Run(RemotePlayback*, bool new_availability);
+
+  DECLARE_VIRTUAL_TRACE();
+  DECLARE_VIRTUAL_TRACE_WRAPPERS();
+
+ private:
+  // Only one of these callbacks must be set.
+  TraceWrapperMember<RemotePlaybackAvailabilityCallback> bindings_cb_;
+  std::unique_ptr<WTF::Closure> internal_cb_;
+};
+
+}  // namespace blink
+
+#endif  // AvailabilityCallbackWrapper_h