Google OAuth Device Flow support for FNL

services/authenticating_url_loader_interceptor/authenticating_url_loader_interceptor_apptest.cc

Index: services/authenticating_url_loader_interceptor/authenticating_url_loader_interceptor_apptest.cc
diff --git a/services/authenticating_url_loader_interceptor/authenticating_url_loader_interceptor_apptest.cc b/services/authenticating_url_loader_interceptor/authenticating_url_loader_interceptor_apptest.cc
index 4f4a9a866b8351e44146de47c7c94ebc1e789642..19abdd4d35e4b46a93b6784c4493ea856b008f98 100644
--- a/services/authenticating_url_loader_interceptor/authenticating_url_loader_interceptor_apptest.cc
+++ b/services/authenticating_url_loader_interceptor/authenticating_url_loader_interceptor_apptest.cc
@@ -106,6 +106,15 @@ class MockAuthenticationService : public authentication::AuthenticationService {
     num_clear_token_calls_++;
     use_fresh_token_ = true;
   }
+  void GetOAuth2DeviceCode(
+      mojo::Array<mojo::String> scopes,
+      const GetOAuth2DeviceCodeCallback& callback) override {
+    callback.Run(nullptr, nullptr, nullptr, "Not implemented");
+  }
+  void AddAccount(const mojo::String& device_code,
+                  const AddAccountCallback& callback) override {
+    callback.Run(nullptr, "Not implemented");
+  }
 
   Binding<authentication::AuthenticationService> binding_;
   uint32_t num_select_account_calls_;