[Blink, Media] Added controlsList to HTMLMediaElement

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

Index: third_party/WebKit/Source/core/html/HTMLMediaElementControlsList.cpp
diff --git a/third_party/WebKit/Source/core/html/HTMLMediaElementControlsList.cpp b/third_party/WebKit/Source/core/html/HTMLMediaElementControlsList.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..c456fbe006d785922032f71be46ec2c285cc8c76
--- /dev/null
+++ b/third_party/WebKit/Source/core/html/HTMLMediaElementControlsList.cpp
@@ -0,0 +1,48 @@
+// 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.
+
+#include "core/html/HTMLMediaElementControlsList.h"
+
+#include "core/html/HTMLMediaElement.h"
+
+namespace blink {
+
+namespace {
+
+const char* kSupportedTokens[] = {"nodownload", "nofullscreen",
+                                  "noremoteplayback"};
+
+bool isTokenSupported(const AtomicString& token) {
+  for (const char* supportedToken : kSupportedTokens) {
+    if (token == supportedToken)
+      return true;
+  }
+  return false;
+}
+
+}  // namespace
+
+HTMLMediaElementControlsList::HTMLMediaElementControlsList(
+    HTMLMediaElement* element)
+    : DOMTokenList(this), m_element(element) {}
+
+HTMLMediaElementControlsList::~HTMLMediaElementControlsList() {}
+
+DEFINE_TRACE(HTMLMediaElementControlsList) {
+  visitor->trace(m_element);
+  DOMTokenList::trace(visitor);
+  DOMTokenListObserver::trace(visitor);
+}
+
+bool HTMLMediaElementControlsList::validateTokenValue(
+    const AtomicString& tokenValue,
+    ExceptionState&) const {
+  return isTokenSupported(tokenValue);
+}
+
+void HTMLMediaElementControlsList::valueWasSet() {
+  m_element->controlsListValueWasSet();
+}
+
+}  // namespace blink