When WEB_PROCESS_SANDBOX is not enabled, the field m_size is never used. In this case the compiler gives the following warning Source/WebKit2/Shared/SandboxExtension.h:90:16: error: private field 'm_size' is not used [-Werror,-Wunused-private-field] size_t m_size; ^ 1 error generated.
Created attachment 164783 [details] Patch
Committed r129049: <http://trac.webkit.org/changeset/129049>