Enable loading gssapi library for Chromad.

net/http/http_auth_handler_factory.cc

Index: net/http/http_auth_handler_factory.cc
diff --git a/net/http/http_auth_handler_factory.cc b/net/http/http_auth_handler_factory.cc
index 5a48aa222ab87f11db57faa7029cfe6237155498..0b8297d95537c6dd798a2a353e9d8f5cf49989b3 100644
--- a/net/http/http_auth_handler_factory.cc
+++ b/net/http/http_auth_handler_factory.cc
@@ -88,8 +88,12 @@ CreateAuthHandlerRegistryFactory(const HttpAuthPreferences& prefs,
 #if defined(OS_WIN)
     negotiate_factory->set_library(base::MakeUnique<SSPILibraryDefault>());
 #elif defined(OS_POSIX) && !defined(OS_ANDROID)
-    negotiate_factory->set_library(
-        base::MakeUnique<GSSAPISharedLibrary>(prefs.GssapiLibraryName()));
+    bool allow_gssapi_library_load = true;
+#if defined(OS_CHROMEOS)
+    allow_gssapi_library_load = prefs.AllowGssapiLibraryLoad();
+#endif
+    negotiate_factory->set_library(base::MakeUnique<GSSAPISharedLibrary>(
+        prefs.GssapiLibraryName(), allow_gssapi_library_load));

[asanka, 2017/04/26 20:42:25]

Rather than this, let's make HttpAuthHandlerNegotiate::Factory fail if there's
no library. That way we can skip creating the library entirely on ChromeOS if
allow_gssapi_library_load is false.

It's seems unnecessary to construct a library that just returns
ERR_UNSUPPORTED_AUTH_SCHEME all the time.

 #endif  // defined(OS_POSIX) && !defined(OS_ANDROID)
     negotiate_factory->set_host_resolver(host_resolver);
     registry_factory->RegisterSchemeFactory(kNegotiateAuthScheme,
@@ -146,7 +150,11 @@ HttpAuthHandlerFactory::CreateDefault(HostResolver* host_resolver) {
                             ,
                             std::string()
 #endif
-                                );
+#if defined(OS_CHROMEOS)
+                                ,
+                            true
+#endif
+                            );
   return CreateAuthHandlerRegistryFactory(prefs, host_resolver);
 }