Media Capabilities: stub implementation of mediaCapabilities.query().

third_party/WebKit/Source/modules/mediacapabilities/MediaCapabilities.h

Index: third_party/WebKit/Source/modules/mediacapabilities/MediaCapabilities.h
diff --git a/third_party/WebKit/Source/modules/mediacapabilities/MediaCapabilities.h b/third_party/WebKit/Source/modules/mediacapabilities/MediaCapabilities.h
new file mode 100644
index 0000000000000000000000000000000000000000..77346aca1be6bc9fef6db2a0da9817af8d5d1431
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+++ b/third_party/WebKit/Source/modules/mediacapabilities/MediaCapabilities.h
@@ -0,0 +1,32 @@
+// 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 MediaCapabilities_h
+#define MediaCapabilities_h
+
+#include "bindings/core/v8/ScriptWrappable.h"
+#include "platform/heap/Visitor.h"
+
+namespace blink {
+
+class MediaConfiguration;
+class ScriptPromise;
+class ScriptState;
+
+class MediaCapabilities final
+    : public GarbageCollectedFinalized<MediaCapabilities>,
+      public ScriptWrappable {
+  DEFINE_WRAPPERTYPEINFO();
+
+ public:
+  MediaCapabilities();
+
+  ScriptPromise query(ScriptState*, const MediaConfiguration&);
+
+  DECLARE_VIRTUAL_TRACE();
+};
+
+}  // namespace blink
+
+#endif  // MediaCapabilities_h