views: Add OnEnabledChanged() method to View class.

views/controls/progress_bar.h

-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// 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 VIEWS_CONTROLS_PROGRESS_BAR_H_
 #define VIEWS_CONTROLS_PROGRESS_BAR_H_
 #pragma once
 
 #include <string>
 
 #include "views/view.h"
@@ skipping 37 matching lines @@
   // Sets the tooltip text.  Default behavior for a progress bar is to show
   // no tooltip on mouse hover. Calling this lets you set a custom tooltip.
   // To revert to default behavior, call this with an empty string.
   virtual void SetTooltipText(const std::wstring& tooltip_text);
 
   // Gets the tooltip text if has been specified with SetTooltipText().
   virtual bool GetTooltipText(const gfx::Point& p, std::wstring* tooltip)
       OVERRIDE;
 
   // Sets the enabled state.
-  virtual void SetEnabled(bool enabled) OVERRIDE;
+  virtual void OnEnabledChanged() OVERRIDE;
 
   // Accessibility accessors, overridden from View.
   virtual void GetAccessibleState(ui::AccessibleViewState* state) OVERRIDE;
 
   // Maximum value of progress.
   static const int kMaxProgress;
 
  private:
   // Progress in range [0, kMaxProgress].
   int progress_;
 
   // Tooltip text.
   string16 tooltip_text_;
 
   // The view class name.
   static const char kViewClassName[];
 
   DISALLOW_COPY_AND_ASSIGN(ProgressBar);
 };
 
 }  // namespace views
 
 #endif  // VIEWS_CONTROLS_PROGRESS_BAR_H_