[Sync] [Mac] Implement one-click signin bubble for OS X

chrome/browser/ui/panels/panel.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/panels/panel.h"
 
 #include "base/logging.h"
 #include "chrome/browser/extensions/extension_prefs.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 507 matching lines @@
 
 void Panel::ShowBookmarkBubble(const GURL& url, bool already_bookmarked) {
   NOTIMPLEMENTED();
 }
 
 void Panel::ShowChromeToMobileBubble() {
   NOTIMPLEMENTED();
 }
 
 #if defined(ENABLE_ONE_CLICK_SIGNIN)
-void Panel::ShowOneClickSigninBubble() {
+void Panel::ShowOneClickSigninBubble(
+      const base::Closure& learn_more_callback,
+      const base::Closure& advanced_callback) {
   NOTIMPLEMENTED();
 }
 #endif
 
 bool Panel::IsDownloadShelfVisible() const {
   return false;
 }
 
 DownloadShelf* Panel::GetDownloadShelf() {
   Browser* panel_browser = native_panel_->GetPanelBrowser();
@@ skipping 209 matching lines @@
 }
 
 void Panel::OnTitlebarClicked(panel::ClickModifier modifier) {
   if (panel_strip_)
     panel_strip_->OnPanelTitlebarClicked(this, modifier);
 }
 
 void Panel::DestroyBrowser() {
   native_panel_->DestroyPanelBrowser();
 }