Respect the new Online Wallet sign-in response.

components/autofill/content/browser/wallet/wallet_signin_helper.h

Index: components/autofill/content/browser/wallet/wallet_signin_helper.h
diff --git a/components/autofill/content/browser/wallet/wallet_signin_helper.h b/components/autofill/content/browser/wallet/wallet_signin_helper.h
index 4733dc92f70dd21a2cad2e112de3f0d915b94dcc..fdcd6f8d121db834dff0c6e2c48cfe3d0249d2e6 100644
--- a/components/autofill/content/browser/wallet/wallet_signin_helper.h
+++ b/components/autofill/content/browser/wallet/wallet_signin_helper.h
@@ -108,6 +108,11 @@ class WalletSigninHelper : public GaiaAuthConsumer,
   // and calls the delegate callbacks on success/failure.
   void ProcessGetAccountInfoResponseAndFinish();
 
+  // Attempts to parse a response from the Online Wallet sign-in.
+  // Returns true if the response is correct and the sign-in has succeeded.
+  // Otherwise, it calls OnServiceError() and returns false.
+  bool ParseSignInResponse();
+
   // Attempts to parse the GetAccountInfo response from the server.
   // Returns true on success; the obtained email address is stored into |email|.
   bool ParseGetAccountInfoResponse(const net::URLFetcher* fetcher,