buttonRoleType    188 Source/core/accessibility/AXNodeObject.cpp         return buttonRoleType();
buttonRoleType    196 Source/core/accessibility/AXNodeObject.cpp             return buttonRoleType();
buttonRoleType    243 Source/core/accessibility/AXNodeObject.cpp         role = buttonRoleType();
buttonRoleType    574 Source/core/accessibility/AXObject.h     AccessibilityRole buttonRoleType() const;
buttonRoleType    286 Source/core/accessibility/AXRenderObject.cpp         return buttonRoleType();
buttonRoleType    319 Source/core/accessibility/AXRenderObject.cpp             return buttonRoleType();