[win] Add signin support for the app launcher.

chrome/browser/ui/app_list/chrome_signin_delegate.h

Index: chrome/browser/ui/app_list/chrome_signin_delegate.h
diff --git a/chrome/browser/ui/app_list/chrome_signin_delegate.h b/chrome/browser/ui/app_list/chrome_signin_delegate.h
new file mode 100644
index 0000000000000000000000000000000000000000..3b4d1eb0e1cc6e59e37b43bf403db8308d81d7cd
--- /dev/null
+++ b/chrome/browser/ui/app_list/chrome_signin_delegate.h
@@ -0,0 +1,48 @@
+// Copyright 2013 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_UI_APP_LIST_CHROME_SIGNIN_DELEGATE_H_
+#define CHROME_BROWSER_UI_APP_LIST_CHROME_SIGNIN_DELEGATE_H_
+
+#include "base/basictypes.h"
+#include "base/memory/scoped_ptr.h"
+#include "chrome/browser/signin/signin_tracker.h"
+#include "chrome/browser/ui/webui/signin/login_ui_service.h"
+#include "ui/app_list/signin_delegate.h"
+
+class Profile;
+
+class ChromeSigninDelegate : public app_list::SigninDelegate,
+                             public LoginUIService::LoginUI,
+                             public SigninTracker::Observer {
+ public:
+  explicit ChromeSigninDelegate(Profile* profile);
+
+ private:
+  virtual ~ChromeSigninDelegate();
+
+  bool IsActiveSignin();
+  void FinishSignin();
+
+  // Overridden from app_list::SigninDelegate:
+  virtual bool NeedSignin() OVERRIDE;
+  virtual content::WebContents* PrepareForSignin() OVERRIDE;
+
+  // Overridden from LoginUIService::LoginUI:
+  virtual void FocusUI() OVERRIDE;
+  virtual void CloseUI() OVERRIDE;
+
+  // Overridden from SigninTracker::Observer:
+  virtual void GaiaCredentialsValid() OVERRIDE;
+  virtual void SigninFailed(const GoogleServiceAuthError& error) OVERRIDE;
+  virtual void SigninSuccess() OVERRIDE;
+
+  Profile* profile_;
+
+  scoped_ptr<SigninTracker> signin_tracker_;
+
+  DISALLOW_COPY_AND_ASSIGN(ChromeSigninDelegate);
+};
+
+#endif  // CHROME_BROWSER_UI_APP_LIST_CHROME_SIGNIN_DELEGATE_H_