New Profile metric for Auth Errors.

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"
+#include "components/signin/core/browser/signin_error_controller.h"
 #include "content/public/browser/render_process_host_observer.h"
 
 class CookieSettings;
 class Profile;
 
 class ChromeSigninClient : public SigninClient,
-                           public content::RenderProcessHostObserver {
+                           public content::RenderProcessHostObserver,
+                           public SigninErrorController::Observer {
  public:
-  explicit ChromeSigninClient(Profile* profile);
+  explicit ChromeSigninClient(
+      Profile* profile, SigninErrorController* signin_error_controller);
   ~ChromeSigninClient() override;
 
   // Utility methods.
   static bool ProfileAllowsSigninCookies(Profile* profile);
   static bool SettingsAllowSigninCookies(CookieSettings* cookie_settings);
 
   // Tracks the privileged signin process identified by |host_id| so that we
   // can later ask (via IsSigninProcess) if it is safe to sign the user in from
   // the current context (see OneClickSigninHelper).  All of this tracking
   // state is reset once the renderer process terminates.
@@ skipping 28 matching lines @@
       const GURL& url,
       const std::string& name,
       const net::CookieStore::CookieChangedCallback& callback) override;
   void OnSignedIn(const std::string& account_id,
                   const std::string& username,
                   const std::string& password) override;
   void PostSignedIn(const std::string& account_id,
                     const std::string& username,
                     const std::string& password) override;
 
+  // SigninErrorController::Observer implementation.
+  void OnErrorChanged() override;
+
  private:
   Profile* profile_;
 
+  SigninErrorController* signin_error_controller_;
+
   // 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_