Move Document.fullscreenElement to DocumentOrShadowRoot

third_party/WebKit/Source/core/dom/DocumentOrShadowRoot.h

Index: third_party/WebKit/Source/core/dom/DocumentOrShadowRoot.h
diff --git a/third_party/WebKit/Source/core/dom/DocumentOrShadowRoot.h b/third_party/WebKit/Source/core/dom/DocumentOrShadowRoot.h
index 8a31e5ef3be2349075da2ff54049acf8ae344875..9ff6d74759d62f1d008de6cfd8a350dde367411a 100644
--- a/third_party/WebKit/Source/core/dom/DocumentOrShadowRoot.h
+++ b/third_party/WebKit/Source/core/dom/DocumentOrShadowRoot.h
@@ -6,6 +6,7 @@
 #define DocumentOrShadowRoot_h
 
 #include "core/dom/Document.h"
+#include "core/dom/Fullscreen.h"
 #include "core/dom/shadow/ShadowRoot.h"
 #include "core/frame/UseCounter.h"
 
@@ -73,6 +74,10 @@ class DocumentOrShadowRoot {
       return nullptr;
     return shadowRoot.adjustedElement(*target);
   }
+
+  static Element* fullscreenElement(TreeScope& scope) {
+    return Fullscreen::fullscreenElementForBindingFrom(scope);
+  }
 };
 
 }  // namespace blink