chrome: Cleanup class/struct forward declarations

chrome/browser/ui/cocoa/profiles/profile_chooser_controller.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_UI_COCOA_PROFILES_PROFILE_CHOOSER_CONTROLLER_H_
 #define CHROME_BROWSER_UI_COCOA_PROFILES_PROFILE_CHOOSER_CONTROLLER_H_
 
 #import <Cocoa/Cocoa.h>
 
 #include <map>
 #include <memory>
 #include <string>
 
 #include "chrome/browser/profiles/profile_metrics.h"
 #import "chrome/browser/ui/cocoa/base_bubble_controller.h"
 #include "chrome/browser/ui/profile_chooser_constants.h"
 #include "components/signin/core/browser/signin_header_helper.h"
 
 class AvatarMenu;
 class ActiveProfileObserverBridge;
 class Browser;
-class ProfileOAuth2TokenService;
 
 namespace content {
 class WebContents;
 }
 
 namespace signin_metrics {
 enum class AccessPoint;
 }
 
 class GaiaWebContentsDelegate;
@@ skipping 105 matching lines @@
 @interface ProfileChooserController (ExposedForTesting)
 - (id)initWithBrowser:(Browser*)browser
            anchoredAt:(NSPoint)point
              viewMode:(profiles::BubbleViewMode)viewMode
          tutorialMode:(profiles::TutorialMode)tutorialMode
           serviceType:(signin::GAIAServiceType)GAIAServiceType;
 - (IBAction)dismissTutorial:(id)sender;
 @end
 
 #endif  // CHROME_BROWSER_UI_COCOA_PROFILES_PROFILE_CHOOSER_CONTROLLER_H_