Show GAIA/cookie accounts on the signin-internals page.

chrome/browser/signin/chrome_signin_client.h

 // Copyright 2014 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.
 
 #ifndef CHROME_BROWSER_SIGNIN_CHROME_SIGNIN_CLIENT_H_
 #define CHROME_BROWSER_SIGNIN_CHROME_SIGNIN_CLIENT_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "components/signin/core/browser/signin_client.h"
@@ skipping 38 matching lines @@
   virtual bool CanRevokeCredentials() OVERRIDE;
   virtual std::string GetSigninScopedDeviceId() OVERRIDE;
   virtual void ClearSigninScopedDeviceId() OVERRIDE;
   virtual net::URLRequestContextGetter* GetURLRequestContext() OVERRIDE;
   virtual bool ShouldMergeSigninCredentialsIntoCookieJar() OVERRIDE;
 
   // Returns a string describing the chrome version environment. Version format:
   // <Build Info> <OS> <Version number> (<Last change>)<channel or "-devel">
   // If version information is unavailable, returns "invalid."
   virtual std::string GetProductVersion() OVERRIDE;
-  virtual void SetCookieChangedCallback(const CookieChangedCallback& callback)
-      OVERRIDE;
+  virtual scoped_ptr<CookieChangedCallbackList::Subscription>
+      AddCookieChangedCallback(const CookieChangedCallback& callback) OVERRIDE;
   virtual void GoogleSigninSucceeded(const std::string& username,
                                      const std::string& password) OVERRIDE;
 
   // content::NotificationObserver implementation.
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
  private:
   void RegisterForCookieChangedNotification();
   void UnregisterForCookieChangedNotification();
 
   Profile* profile_;
   content::NotificationRegistrar registrar_;
 
-  // The callback that if non-empty will be called when notifications about
-  // cookie changes are received.
-  CookieChangedCallback callback_;
+  // The callbacks that will be called when notifications about cookie changes
+  // are received.
+  base::CallbackList<void(const net::CanonicalCookie* cookie)> callbacks_;
 
   // See SetSigninProcess. Tracks the currently active signin process
   // by ID, if there is one.
   int signin_host_id_;
 
   // The RenderProcessHosts being observed.
   std::set<content::RenderProcessHost*> signin_hosts_observed_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeSigninClient);
 };
 
 #endif  // CHROME_BROWSER_SIGNIN_CHROME_SIGNIN_CLIENT_H_