Bug 956423 - Remove unused variables from nsXBLProtoImpl::InstallImplementation and InitTargetObjects. r=bholley
Bug 956455, part 1 - WrapNative's holder argument is unnecessary. r=smaug
Bug 956455, part 2 - Remove holder argument from WrapNativeToJSVal nsDOMClassInfo. r=smaug
Bug 956455, part 3 - Remove the holder argument to nsXPConnect::WrapNativeToJSVal. r=gabor
Bug 956569 - Make nsContentUtils::WrapNative MOZ_WARN_UNUSED_RESULT. r=smaug