MiddleButton     2267 Source/core/dom/Node.cpp         if (mouseEvent->button() == MiddleButton) {
MiddleButton      159 Source/core/inspector/InspectorInputAgent.cpp             convertedButton = MiddleButton;
MiddleButton      181 Source/core/page/AutoscrollController.cpp         if (mouseEvent.button() == MiddleButton)
MiddleButton      861 Source/core/page/EventHandler.cpp     if (event.event().button() == MiddleButton && !event.isOverLink()) {
MiddleButton      435 Source/web/AssertMatchingEnums.cpp COMPILE_ASSERT_MATCHING_ENUM(WebMouseEvent::ButtonMiddle, MiddleButton);
MiddleButton      469 Source/web/AssertMatchingEnums.cpp COMPILE_ASSERT_MATCHING_ENUM(WebScrollbarBehavior::ButtonMiddle, MiddleButton);
MiddleButton      498 Source/web/WebInputEventConversion.cpp     case MiddleButton:
MiddleButton      510 Source/web/WebInputEventConversion.cpp         case MiddleButton: