Add gaia_id to ProfileInfoCache.

components/signin/core/browser/signin_manager.cc

Index: components/signin/core/browser/signin_manager.cc
diff --git a/components/signin/core/browser/signin_manager.cc b/components/signin/core/browser/signin_manager.cc
index a6548a003255dc26326839cc07e35df15e614a5b..47832649bb2cdd3a1846f6eea6caff4d725d9f73 100644
--- a/components/signin/core/browser/signin_manager.cc
+++ b/components/signin/core/browser/signin_manager.cc
@@ -360,6 +360,8 @@ void SigninManager::OnSignedIn() {
                                 base::Time::Now().ToInternalValue());
   SetAuthenticatedAccountInfo(possibly_invalid_gaia_id_,
                               possibly_invalid_email_);
+  const std::string gaia_id = possibly_invalid_gaia_id_;
+
   possibly_invalid_account_id_.clear();
   possibly_invalid_gaia_id_.clear();
   possibly_invalid_email_.clear();
@@ -373,6 +375,7 @@ void SigninManager::OnSignedIn() {
                             password_));
 
   client_->OnSignedIn(GetAuthenticatedAccountId(),
+                      gaia_id,
                       GetAuthenticatedUsername(),
                       password_);