[Blink, Media] Added controlsList to HTMLMediaElement

third_party/WebKit/Source/core/html/HTMLMediaElementControlsList.h

Index: third_party/WebKit/Source/core/html/HTMLMediaElementControlsList.h
diff --git a/third_party/WebKit/Source/core/html/HTMLMediaElementControlsList.h b/third_party/WebKit/Source/core/html/HTMLMediaElementControlsList.h
new file mode 100644
index 0000000000000000000000000000000000000000..8b4d0d613525161c7489fd61231d2e5c6b5b106d
--- /dev/null
+++ b/third_party/WebKit/Source/core/html/HTMLMediaElementControlsList.h
@@ -0,0 +1,45 @@
+// 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 HTMLMediaElementControlsList_h
+#define HTMLMediaElementControlsList_h
+
+#include "core/dom/DOMTokenList.h"
+#include "platform/heap/Handle.h"
+
+namespace blink {
+
+class HTMLMediaElement;
+
+class HTMLMediaElementControlsList final : public DOMTokenList,
+                                           public DOMTokenListObserver {
+  USING_GARBAGE_COLLECTED_MIXIN(HTMLMediaElementControlsList);
+
+ public:
+  static HTMLMediaElementControlsList* create(HTMLMediaElement* element) {
+    return new HTMLMediaElementControlsList(element);
+  }
+
+  ~HTMLMediaElementControlsList() override;
+
+  DECLARE_VIRTUAL_TRACE();
+
+  // Whether the list dictates to hide a certain control.
+  bool shouldHideDownload() const;
+  bool shouldHideFullscreen() const;
+  bool shouldHideRemotePlayback() const;
+
+ private:
+  explicit HTMLMediaElementControlsList(HTMLMediaElement*);
+  bool validateTokenValue(const AtomicString&, ExceptionState&) const override;
+
+  // DOMTokenListObserver.
+  void valueWasSet() override;
+
+  Member<HTMLMediaElement> m_element;
+};
+
+}  // namespace blink
+
+#endif