Button elements are clipping overflow by default

Source/core/layout/LayoutButton.cpp

Index: Source/core/layout/LayoutButton.cpp
diff --git a/Source/core/layout/LayoutButton.cpp b/Source/core/layout/LayoutButton.cpp
index 1efc126791e89e34f8f165cc17f0232452061c0d..f9f454ae1058af7f0adb942f322775e01d525b38 100644
--- a/Source/core/layout/LayoutButton.cpp
+++ b/Source/core/layout/LayoutButton.cpp
@@ -103,4 +103,10 @@ int LayoutButton::baselinePosition(FontBaseline baseline, bool firstLine, LineDi
     return LayoutFlexibleBox::baselinePosition(baseline, firstLine, direction, linePositionMode);
 }
 
+
+// For compatibility with IE/FF we only clip overflow on input elements.
+bool LayoutButton::hasControlClip() const
+{
+    return !isHTMLButtonElement(node());
+}
 } // namespace blink