chrome: Cleanup class/struct forward declarations

chrome/browser/chromeos/first_run/first_run_view.h

 // 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_CHROMEOS_FIRST_RUN_FIRST_RUN_VIEW_H_
 #define CHROME_BROWSER_CHROMEOS_FIRST_RUN_FIRST_RUN_VIEW_H_
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "content/public/browser/web_contents_delegate.h"
 #include "ui/views/view.h"
 
-class Profile;
-
 namespace content {
 class BrowserContext;
 }
 
 namespace views {
 class WebView;
 }
 
 namespace chromeos {
 
@@ skipping 21 matching lines @@
 
   views::WebView* web_view_;
 
   DISALLOW_COPY_AND_ASSIGN(FirstRunView);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_FIRST_RUN_FIRST_RUN_VIEW_H_