Remove some more OS_CHROMEOS from browser.

chrome/browser/ui/views/keyboard_overlay_dialog_view.h

 // Copyright (c) 2011 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_KEYBOARD_OVERLAY_DIALOG_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_KEYBOARD_OVERLAY_DIALOG_VIEW_H_
 #pragma once
 
 #include <set>
 
 #include "base/compiler_specific.h"
 #include "chrome/browser/ui/webui/web_dialog_web_contents_delegate.h"
 #include "chrome/browser/ui/webui/web_dialog_ui.h"
 #include "chrome/browser/ui/views/web_dialog_view.h"
 
 namespace ui {
 class Accelerator;
+class AcceleratorTarget;
 }
 
-class BrowserView;
-
 // A customized dialog view for the keyboard overlay.
 class KeyboardOverlayDialogView : public WebDialogView {
  public:
   KeyboardOverlayDialogView(Profile* profile,
                             WebDialogDelegate* delegate,
-                            BrowserView* parent_view);
+                            AcceleratorTarget* target);
   virtual ~KeyboardOverlayDialogView();
 
   // Overridden from views::View:
   virtual bool AcceleratorPressed(const ui::Accelerator& accelerator) OVERRIDE;
 
   // Shows the keyboard overlay.
-  static void ShowDialog(gfx::NativeWindow owning_window, BrowserView* parent);
+  static void ShowDialog(ui::AcceleratorTarget* target);
 
  private:
   void RegisterDialogAccelerators();
 
   // Returns true if |accelerator| is an accelerator for closing the dialog.
   bool IsCloseAccelerator(const ui::Accelerator& accelerator);
 
   // Points to the view from which this dialog is created.
-  BrowserView* parent_view_;
+  AcceleratorTarget* target_;
 
   // Contains accelerators for closing this dialog.
   std::set<ui::Accelerator> close_accelerators_;
 
   DISALLOW_COPY_AND_ASSIGN(KeyboardOverlayDialogView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_KEYBOARD_OVERLAY_DIALOG_VIEW_H_