Fix DCHECK in infobar animation.

chrome/browser/ui/views/infobars/infobar_view.h

Index: chrome/browser/ui/views/infobars/infobar_view.h
diff --git a/chrome/browser/ui/views/infobars/infobar_view.h b/chrome/browser/ui/views/infobars/infobar_view.h
index 3fcda116bab5973fc79029460e01fe07e0dbdd8c..3f46a3872ec03e2e00cf0f8058752d9b78b157f6 100644
--- a/chrome/browser/ui/views/infobars/infobar_view.h
+++ b/chrome/browser/ui/views/infobars/infobar_view.h
@@ -122,7 +122,7 @@ class InfoBarView : public InfoBar,
   // (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(); }
 
@@ -203,6 +203,12 @@ class InfoBarView : public InfoBar,
   // 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_;