Pass a RemovalCause to CookieChangedCallback

components/signin/core/browser/gaia_cookie_manager_service.h

Index: components/signin/core/browser/gaia_cookie_manager_service.h
diff --git a/components/signin/core/browser/gaia_cookie_manager_service.h b/components/signin/core/browser/gaia_cookie_manager_service.h
index 04b96072df43789c07a985693d83bddf1990b877..47c673fc8b1ae9c4e19da1e634c062c6010a92fb 100644
--- a/components/signin/core/browser/gaia_cookie_manager_service.h
+++ b/components/signin/core/browser/gaia_cookie_manager_service.h
@@ -242,7 +242,8 @@ class GaiaCookieManagerService : public KeyedService,
 
   // Called when a cookie changes. If the cookie relates to a GAIA APISID
   // cookie, then we call ListAccounts and fire OnGaiaAccountsInCookieUpdated.
-  void OnCookieChanged(const net::CanonicalCookie& cookie, bool removed);
+  void OnCookieChanged(const net::CanonicalCookie& cookie,
+                       net::CookieStore::ChangeCause cause);
 
   // Overridden from UbertokenConsumer.
   void OnUbertokenSuccess(const std::string& token) override;