AsToolchain        22 tools/gn/item.cc Toolchain* Item::AsToolchain() { return NULL; }
AsToolchain        23 tools/gn/item.cc const Toolchain* Item::AsToolchain() const { return NULL; }
AsToolchain        35 tools/gn/toolchain.cc Toolchain* Toolchain::AsToolchain() {
AsToolchain        39 tools/gn/toolchain.cc const Toolchain* Toolchain::AsToolchain() const {