Make base::Base64Encode() return void

net/http/http_auth_handler_basic.cc

Index: net/http/http_auth_handler_basic.cc
diff --git a/net/http/http_auth_handler_basic.cc b/net/http/http_auth_handler_basic.cc
index af5f188b156223e5a419b5ec7546c883e673f7fd..e445c93100cbdf80f31a0f44b9ff620a3b1b7d12 100644
--- a/net/http/http_auth_handler_basic.cc
+++ b/net/http/http_auth_handler_basic.cc
@@ -91,13 +91,9 @@ int HttpAuthHandlerBasic::GenerateAuthTokenImpl(
   DCHECK(credentials);
   // TODO(eroman): is this the right encoding of username/password?
   std::string base64_username_password;
-  if (!base::Base64Encode(
-          UTF16ToUTF8(credentials->username()) + ":" +
-          UTF16ToUTF8(credentials->password()),
-          &base64_username_password)) {
-    LOG(ERROR) << "Unexpected problem Base64 encoding.";
-    return ERR_UNEXPECTED;
-  }
+  base::Base64Encode(UTF16ToUTF8(credentials->username()) + ":" +
+                         UTF16ToUTF8(credentials->password()),
+                     &base64_username_password);
   *auth_token = "Basic " + base64_username_password;
   return OK;
 }