The following linking error shows up for Android when trying to compile content_shell while ENABLE_SHARED_WORKERS=0: content_worker.a(out/Release/obj.target/content/../content_worker/content/worker/websharedworker_stub.o): in function WebSharedWorkerStub::WebSharedWorkerStub(std::basic_string<unsigned short, base::string16_char_traits, std::allocator<unsigned short> > const&, int, WorkerAppCacheInitInfo const&):content/worker/websharedworker_stub.cc:37 error: undefined reference to 'WebKit::WebSharedWorker::create(WebKit::WebSharedWorkerClient*)'
Resolving as WontFix given that Chromium moved to Blink.