Reviewers: metaweta,
Description: Adds two methods, simplifyForSideEffect, and conditionResult to the base Expression interface. Please see that class for detail first, and ExpressionTest for uses. Please review this at http://codereview.appspot.com/109081 Affected files: M src/com/google/caja/parser/js/AbstractExpression.java M src/com/google/caja/parser/js/ArrayConstructor.java M src/com/google/caja/parser/js/Expression.java M src/com/google/caja/parser/js/FunctionConstructor.java M src/com/google/caja/parser/js/Literal.java M src/com/google/caja/parser/js/NullLiteral.java M src/com/google/caja/parser/js/ObjectConstructor.java M src/com/google/caja/parser/js/Operation.java A tests/com/google/caja/parser/js/ExpressionTest.java M tests/com/google/caja/parser/js/JsFunFuzz.java MM tests/com/google/caja/parser/js/parsertest4.js MM tests/com/google/caja/parser/js/rendergolden4.txt
