Hide feedback button on login screen....

chrome/browser/chromeos/login/background_view.h

 // Copyright (c) 2010 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_LOGIN_BACKGROUND_VIEW_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_BACKGROUND_VIEW_H_
 #pragma once
 
 #include "chrome/browser/chromeos/boot_times_loader.h"
 #include "chrome/browser/chromeos/cros/cros_library.h"
@@ skipping 49 matching lines @@
   virtual void ChildPreferredSizeChanged(View* child);
   virtual void OnLocaleChanged();
 
   // Overridden from StatusAreaHost:
   virtual Profile* GetProfile() const { return NULL; }
   virtual gfx::NativeWindow GetNativeWindow() const;
   virtual void ExecuteBrowserCommand(int id) const {}
   virtual bool ShouldOpenButtonOptions(
       const views::View* button_view) const;
   virtual void OpenButtonOptions(const views::View* button_view) const;
-  virtual bool IsButtonVisible(const views::View* button_view) const;
   virtual bool IsBrowserMode() const;
   virtual bool IsScreenLockerMode() const;
 
  private:
   // Creates and adds the status_area.
   void InitStatusArea();
   // Creates and adds the labels for version and boot time.
   void InitInfoLabels();
   // Creates and add OOBE progress bar.
   void InitProgressBar();
@@ skipping 27 matching lines @@
   // manager.
   // TODO(sky): nuke this when the wm knows when chrome has painted.
   bool did_paint_;
 
   DISALLOW_COPY_AND_ASSIGN(BackgroundView);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_BACKGROUND_VIEW_H_