Win: Display a native bubble (instead of the JS one) after the web signin flow.

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 d215d824594d2622d005cd5ef6d344eeda8efca8..926daa87656f2af61391440997009adcd22c59a5 100644
--- a/chrome/browser/ui/sync/one_click_signin_helper.cc
+++ b/chrome/browser/ui/sync/one_click_signin_helper.cc
@@ -521,6 +521,7 @@ bool OneClickInfoBarDelegateImpl::Accept() {
       ShowOneClickSigninBubble(
           BrowserWindow::ONE_CLICK_SIGNIN_BUBBLE_TYPE_BUBBLE,
           UTF8ToUTF16(email_),
+          string16() /* no error message to display */,
           base::Bind(&StartSync,
                      StartSyncArgs(profile, browser,
                                    OneClickSigninHelper::AUTO_ACCEPT_NONE,
@@ -937,6 +938,7 @@ void OneClickSigninHelper::ShowInfoBarUIThread(
       (auto_accept != AUTO_ACCEPT_EXPLICIT &&
           helper->auto_accept_ != AUTO_ACCEPT_EXPLICIT) ?
           CAN_OFFER_FOR_INTERSTITAL_ONLY : CAN_OFFER_FOR_ALL;
+
   std::string error_message;
 
   if (!web_contents || !CanOffer(web_contents, can_offer_for, email,
@@ -978,11 +980,6 @@ void OneClickSigninHelper::RedirectToNtpOrAppsPage(bool show_bubble) {
   content::WebContents* contents = web_contents();
   Profile* profile =
       Profile::FromBrowserContext(contents->GetBrowserContext());
-  PrefService* pref_service = profile->GetPrefs();
-  if (show_bubble) {
-    pref_service->SetBoolean(prefs::kSyncPromoShowNTPBubble, true);
-    pref_service->SetString(prefs::kSyncPromoErrorMessage, error_message_);
-  }
 
   GURL url(chrome::IsInstantExtendedAPIEnabled() ?
            chrome::kChromeUIAppsURL : chrome::kChromeUINewTabURL);
@@ -993,6 +990,18 @@ void OneClickSigninHelper::RedirectToNtpOrAppsPage(bool show_bubble) {
                                 false);
   contents->OpenURL(params);
 
+  if (show_bubble) {
+    Browser* browser = chrome::FindBrowserWithWebContents(contents);
+    browser->window()->ShowOneClickSigninBubble(
+      BrowserWindow::ONE_CLICK_SIGNIN_BUBBLE_TYPE_BUBBLE,
+      string16(), /* no SAML email */
+      UTF8ToUTF16(error_message_),
+      base::Bind(&StartSync,
+                  StartSyncArgs(profile, browser, AUTO_ACCEPT_ACCEPTED,
+                                   session_index_, email_, password_,
+                                   false)));
+  }
+
   error_message_.clear();
 }
 
@@ -1230,6 +1239,7 @@ void OneClickSigninHelper::DidStopLoading(
       browser->window()->ShowOneClickSigninBubble(
           bubble_type,
           UTF8ToUTF16(email_),
+          string16(), /* no error message to display */
           base::Bind(&StartSync,
                      StartSyncArgs(profile, browser, auto_accept_,
                                    session_index_, email_, password_,
@@ -1268,6 +1278,7 @@ void OneClickSigninHelper::DidStopLoading(
         browser->window()->ShowOneClickSigninBubble(
             BrowserWindow::ONE_CLICK_SIGNIN_BUBBLE_TYPE_SAML_MODAL_DIALOG,
             UTF8ToUTF16(email_),
+            string16(), /* no error message to display */
             base::Bind(&StartSync,
                        StartSyncArgs(profile, browser, auto_accept_,
                                      session_index_, email_, password_,