Don't include LayoutBlock.h from MediaControlElementTypes.h

third_party/WebKit/Source/core/html/shadow/MediaControlElementTypes.cpp

Index: third_party/WebKit/Source/core/html/shadow/MediaControlElementTypes.cpp
diff --git a/third_party/WebKit/Source/core/html/shadow/MediaControlElementTypes.cpp b/third_party/WebKit/Source/core/html/shadow/MediaControlElementTypes.cpp
index 09b128dad3b32c27f227884c646bbd92124e616f..c04fa5c4bbb02df540152001fdce0ba31dd6b694 100644
--- a/third_party/WebKit/Source/core/html/shadow/MediaControlElementTypes.cpp
+++ b/third_party/WebKit/Source/core/html/shadow/MediaControlElementTypes.cpp
@@ -38,6 +38,7 @@
 #include "core/html/HTMLLabelElement.h"
 #include "core/html/HTMLMediaElement.h"
 #include "core/html/shadow/MediaControls.h"
+#include "core/layout/LayoutObject.h"
 #include "platform/text/PlatformLocale.h"
 
 namespace blink {
@@ -59,6 +60,11 @@ const HTMLMediaElement* toParentMediaElement(const Node* node)
     return toHTMLMediaElement(mediaNode);
 }
 
+const HTMLMediaElement* toParentMediaElement(const LayoutObject& layoutObject)
+{
+    return toParentMediaElement(layoutObject.node());
+}
+
 MediaControlElementType mediaControlElementType(const Node* node)
 {
     SECURITY_DCHECK(node->isMediaControlElement());