chrome: Cleanup class/struct forward declarations

chrome/browser/ui/views/profiles/profile_indicator_icon.h

 // Copyright 2016 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_VIEWS_PROFILES_PROFILE_INDICATOR_ICON_H_
 #define CHROME_BROWSER_UI_VIEWS_PROFILES_PROFILE_INDICATOR_ICON_H_
 
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "ui/gfx/image/image.h"
 #include "ui/views/view.h"
 
 namespace gfx {
 class Canvas;
 }
-class BrowserNonClientFrameView;
-class BrowserView;
-class Profile;
 
 // ProfileIndicatorIcon
 //
 // A view used to show either the incognito avatar, or in the case of CrOS multi
 // profile mode with teleported windows, a profile avatar. The icon set via
 // SetIcon() will be resized and drawn inside a circle if it's too big to fit in
 // the frame.
 class ProfileIndicatorIcon : public views::View {
  public:
   ProfileIndicatorIcon();
   ~ProfileIndicatorIcon() override;
 
   // views::MenuButton:
   void OnPaint(gfx::Canvas* canvas) override;
 
   // Sets the image for the avatar button. Rectangular images, as opposed
   // to Chrome avatar icons, will be resized and modified for the title bar.
   void SetIcon(const gfx::Image& icon);
 
  private:
   gfx::Image base_icon_;
   gfx::ImageSkia modified_icon_;
   int old_height_;
   DISALLOW_COPY_AND_ASSIGN(ProfileIndicatorIcon);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_PROFILES_PROFILE_INDICATOR_ICON_H_