isSupported        23 content/shell/renderer/test_runner/MockConstraints.cpp     return isSupported(constraint) || constraint == "valid_but_unsupported_1" || constraint == "valid_but_unsupported_2";
isSupported        35 content/shell/renderer/test_runner/MockConstraints.cpp             if (!isSupported(curr.m_name) || curr.m_value != "1") {