Track when user signs in the profile.

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 33 matching lines @@
       OVERRIDE;
 
   // SigninClient implementation.
   virtual PrefService* GetPrefs() OVERRIDE;
   virtual scoped_refptr<TokenWebData> GetDatabase() OVERRIDE;
   virtual bool CanRevokeCredentials() OVERRIDE;
   virtual std::string GetSigninScopedDeviceId() OVERRIDE;
   virtual void ClearSigninScopedDeviceId() OVERRIDE;
   virtual net::URLRequestContextGetter* GetURLRequestContext() OVERRIDE;
   virtual bool ShouldMergeSigninCredentialsIntoCookieJar() OVERRIDE;
+  virtual bool IsFirstRun() const OVERRIDE;
+  virtual base::Time GetInstallDate() 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 scoped_ptr<CookieChangedCallbackList::Subscription>
       AddCookieChangedCallback(const CookieChangedCallback& callback) OVERRIDE;
   virtual void GoogleSigninSucceeded(const std::string& username,
                                      const std::string& password) OVERRIDE;
 
@@ skipping 17 matching lines @@
   // 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_