And use new bindings for more MSHTML objects.
-- v2: mshtml: Use host object script bindings for Performance class. mshtml: Use host object script bindings for PerformanceTiming class. mshtml: Use host object script bindings for PerformanceNavigation class. mshtml: Use host object script bindings for History class. mshtml: Use host object script bindings for DOMImplementation class. mshtml/tests: Make todo_wine explicit in builtin_toString tests. jscript: Add support for host functions.