Button experiment

third_party/WebKit/Source/core/layout/LayoutButton.h

Index: third_party/WebKit/Source/core/layout/LayoutButton.h
diff --git a/third_party/WebKit/Source/core/layout/LayoutButton.h b/third_party/WebKit/Source/core/layout/LayoutButton.h
index 685b0925f8b5401cdd93eb7b831b4f82067bb851..6c227a8ea39035536429dca07fac733e032d2a8a 100644
--- a/third_party/WebKit/Source/core/layout/LayoutButton.h
+++ b/third_party/WebKit/Source/core/layout/LayoutButton.h
@@ -22,20 +22,20 @@
 #define LayoutButton_h
 
 #include "core/html/HTMLInputElement.h"
-#include "core/layout/LayoutFlexibleBox.h"
+#include "core/layout/LayoutBlockFlow.h"
 
 namespace blink {
 
 // LayoutButtons are just like normal flexboxes except that they will generate an anonymous block child.
 // For inputs, they will also generate an anonymous LayoutText and keep its style and content up
 // to date as the button changes.
-class LayoutButton final : public LayoutFlexibleBox {
+class LayoutButton final : public LayoutBlockFlow {
 public:
     explicit LayoutButton(Element*);
     ~LayoutButton() override;
 
     const char* name() const override { return "LayoutButton"; }
-    bool isOfType(LayoutObjectType type) const override { return type == LayoutObjectLayoutButton || LayoutFlexibleBox::isOfType(type); }
+    bool isOfType(LayoutObjectType type) const override { return type == LayoutObjectLayoutButton || LayoutBlockFlow::isOfType(type); }
 
     bool canBeSelectionLeaf() const override { return node() && hasEditableStyle(*node()); }