Fix html_viewer build after latest blink roll

components/html_viewer/html_document.cc

Index: components/html_viewer/html_document.cc
diff --git a/components/html_viewer/html_document.cc b/components/html_viewer/html_document.cc
index 94f6943256fac44db34d54b2d76cab0f1f77befe..0ef5068d07ea19fb84ebc2b40b220ec7197702f4 100644
--- a/components/html_viewer/html_document.cc
+++ b/components/html_viewer/html_document.cc
@@ -319,11 +319,6 @@ blink::WebFrame* HTMLDocument::createChildFrame(
 }
 
 void HTMLDocument::frameDetached(blink::WebFrame* frame) {
-  frameDetached(frame, DetachType::Remove);
-}
-
-void HTMLDocument::frameDetached(blink::WebFrame* frame, DetachType type) {
-  DCHECK(type == DetachType::Remove);
   if (frame->parent())
     frame->parent()->removeChild(frame);