Fix regression: only clear sign-in process for navigations in that process.

chrome/browser/ui/sync/one_click_signin_helper.cc

Index: chrome/browser/ui/sync/one_click_signin_helper.cc
diff --git a/chrome/browser/ui/sync/one_click_signin_helper.cc b/chrome/browser/ui/sync/one_click_signin_helper.cc
index 908536595effebde12549de04b900c7422b06d8e..b614c933e5ad62218d83843cc6cea13e84cfb19a 100644
--- a/chrome/browser/ui/sync/one_click_signin_helper.cc
+++ b/chrome/browser/ui/sync/one_click_signin_helper.cc
@@ -1001,7 +1001,8 @@ void OneClickSigninHelper::DidNavigateMainFrame(
         Profile::FromBrowserContext(web_contents()->GetBrowserContext());
     SigninManager* manager = profile ?
         SigninManagerFactory::GetForProfile(profile) : NULL;
-    if (manager)
+    int process_id = web_contents()->GetRenderProcessHost()->GetID();
+    if (manager && manager->IsSigninProcess(process_id))
       manager->ClearSigninProcess();
   }
 }