Fix DCHECK() in infobar animation.

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

Index: chrome/browser/ui/views/infobars/infobar_container.h
===================================================================
--- chrome/browser/ui/views/infobars/infobar_container.h	(revision 80169)
+++ chrome/browser/ui/views/infobars/infobar_container.h	(working copy)
@@ -43,10 +43,10 @@
   // |contents|, and show them all.  |contents| may be NULL.
   void ChangeTabContents(TabContents* contents);
 
-  // Called when a contained infobar has animated.  The container is expected to
-  // do anything necessary to respond to the infobar's possible size change,
+  // Called when a contained infobar has animated or by some other means changed
+  // its size.  The container is expected to do anything necessary to respond,
   // e.g. re-layout.
-  void OnInfoBarAnimated(bool done);
+  void OnInfoBarSizeChanged(bool is_animating);
 
   // Remove the specified InfoBarDelegate from the selected TabContents. This
   // will notify us back and cause us to close the InfoBar.  This is called from
@@ -58,6 +58,10 @@
   // hidden.
   void RemoveInfoBar(InfoBar* infobar);
 
+  // Return the amount by which to overlap the toolbar above, so that the
+  // InfoBars inside may draw anti-spoof arrows atop it.
+  virtual int GetVerticalOverlap() = 0;
+
  protected:
   // These must be implemented on each platform to e.g. adjust the visible
   // object hierarchy.