Network connectivity errors handling (incl. CP) for enrollment flow

chrome/browser/chromeos/login/ui/webui_login_view.h

Index: chrome/browser/chromeos/login/ui/webui_login_view.h
diff --git a/chrome/browser/chromeos/login/ui/webui_login_view.h b/chrome/browser/chromeos/login/ui/webui_login_view.h
index 1ba44b06f6d9d8a6a96d0e3a4851e51ecb927227..eebdcfe5e723442f9c41cf79739c2c2033bd97ad 100644
--- a/chrome/browser/chromeos/login/ui/webui_login_view.h
+++ b/chrome/browser/chromeos/login/ui/webui_login_view.h
@@ -44,6 +44,8 @@ class WebUILoginView : public views::View,
                        public ChromeWebModalDialogManagerDelegate,
                        public web_modal::WebContentsModalDialogHost {
  public:
+  typedef content::WebContentsObserver FrameObserver;

[ygorshenin1, 2014/06/19 18:28:53]

Are you planning to implement your own Observer class instead of
WebContentsObserver?

[Roman Sorokin (ftl), 2014/06/23 12:58:30]

Done.

+
   // Internal class name.
   static const char kViewClassName[];
 
@@ -105,6 +107,9 @@ class WebUILoginView : public views::View,
     should_emit_login_prompt_visible_ = emit;
   }
 
+  void AddFrameObserver(FrameObserver* frame_observer);
+  void RemoveFrameObserver(FrameObserver* frame_observer);
+
  protected:
   // Overridden from views::View:
   virtual void Layout() OVERRIDE;
@@ -185,6 +190,7 @@ class WebUILoginView : public views::View,
   scoped_ptr<ScopedGaiaAuthExtension> auth_extension_;
 
   ObserverList<web_modal::ModalDialogHostObserver> observer_list_;
+  ObserverList<FrameObserver> frame_observer_list_;
 
   DISALLOW_COPY_AND_ASSIGN(WebUILoginView);
 };