Fix DCHECK in infobar animation.

chrome/browser/ui/views/infobars/infobar_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_INFOBARS_INFOBAR_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_INFOBARS_INFOBAR_VIEW_H_
 #pragma once
 
 #include "base/task.h"
 #include "ui/base/animation/animation_delegate.h"
@@ skipping 104 matching lines @@
 
   // Returns the minimum width the content (that is, everything between the icon
   // and the close button) can be shrunk to.  This is used to prevent the close
   // button from overlapping views that cannot be shrunk any further.
   virtual int ContentMinimumWidth() const;
 
   // Removes our associated InfoBarDelegate from the associated TabContents.
   // (Will lead to this InfoBar being closed).
   void RemoveInfoBar() const;
 
-  void set_target_height(int height) { target_height_ = height; }
+  void SetTargetHeight(int height);
 
   ui::SlideAnimation* animation() { return animation_.get(); }
 
   // These return x coordinates delimiting the usable area for subclasses to lay
   // out their controls.
   int StartX() const;
   int EndX() const;
 
   // Returns a centered y-position of a control of height specified in
   // |prefsize| within the standard InfoBar height, adjusted according to the
@@ skipping 60 matching lines @@
   // Tracks and stores the last focused view which is not the InfoBar or any of
   // its children. Used to restore focus once the InfoBar is closed.
   scoped_ptr<views::ExternalFocusTracker> focus_tracker_;
 
   // Used to delete this object after a return to the message loop.
   ScopedRunnableMethodFactory<InfoBarView> delete_factory_;
 
   // The target height for the bar portion of the InfoBarView.
   int target_height_;
 
+  // The current height for the tab portion of the InfoBarView.
+  int tab_height_;
+
+  // The current height for the bar portion of the InfoBarView.
+  int bar_height_;
+
   scoped_ptr<SkPath> fill_path_;
   scoped_ptr<SkPath> stroke_path_;
 
   DISALLOW_COPY_AND_ASSIGN(InfoBarView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_INFOBARS_INFOBAR_VIEW_H_