MixedTriState    4229 Source/core/dom/Document.cpp     return command(this, commandName).state() == MixedTriState;
MixedTriState     686 Source/core/editing/EditingStyle.cpp     return MixedTriState;
MixedTriState     708 Source/core/editing/EditingStyle.cpp                     state = MixedTriState;
MixedTriState      42 Source/wtf/TriState.h using WTF::MixedTriState;