Fix some infobar problems.

chrome/browser/ui/cocoa/infobars/infobar_container_controller.mm

 // 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.
 
 #import "chrome/browser/ui/cocoa/infobars/infobar_container_controller.h"
 
 #include "base/logging.h"
 #include "base/mac/mac_util.h"
 #include "chrome/browser/infobars/infobar_service.h"
 #import "chrome/browser/ui/cocoa/browser_window_controller.h"
@@ skipping 142 matching lines @@
     return;
 
   // This code can be executed while InfoBarController is still on the stack, so
   // we retain and autorelease the controller to prevent it from being
   // dealloc'ed too early.
   [[controller retain] autorelease];
   [[controller view] removeFromSuperview];
   [infobarControllers_ removeObject:controller];
 }
 
+- (void)setMaxTopArrowHeight:(NSInteger)height {
+  containerCocoa_->SetMaxTopArrowHeight(height);
+}
+
 @end