Revert "Allow to set display "inline" on legend element"

third_party/WebKit/Source/core/layout/LayoutFieldset.cpp

Index: third_party/WebKit/Source/core/layout/LayoutFieldset.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutFieldset.cpp b/third_party/WebKit/Source/core/layout/LayoutFieldset.cpp
index cf1f1885e97db68e82ed84c79909d34ac122a1b2..d1a5453f4e63ef71459bea458c1c287b7ca3e692 100644
--- a/third_party/WebKit/Source/core/layout/LayoutFieldset.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutFieldset.cpp
@@ -221,10 +221,8 @@ LayoutBox* LayoutFieldset::findInFlowLegend() const {
     if (legend->isFloatingOrOutOfFlowPositioned())
       continue;
 
-    if (isHTMLLegendElement(legend->node())) {
-      if (legend->isBox())
-        return toLayoutBox(legend);
-    }
+    if (isHTMLLegendElement(legend->node()))
+      return toLayoutBox(legend);
   }
   return nullptr;
 }