Fix stupid off-by-one crash.

chrome/browser/tab_contents/infobar_container.cc

 // 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.
 
 #include "build/build_config.h"
 
 // TODO(pkasting): Port Mac to use this.
 #if defined(TOOLKIT_VIEWS) || defined(TOOLKIT_GTK)
 
 #include "chrome/browser/tab_contents/infobar_container.h"
@@ skipping 97 matching lines @@
 void InfoBarContainer::RemoveAllInfoBarsForDestruction() {
   // Before we remove any children, we reset |delegate_|, so that no removals
   // will result in us trying to call
   // delegate_->InfoBarContainerStateChanged().  This is important because at
   // this point |delegate_| may be shutting down, and it's at best unimportant
   // and at worst disastrous to call that.
   delegate_ = NULL;
 
   // TODO(pkasting): Remove this once TabContentsWrapper calls CloseSoon().
   for (size_t i = infobars_.size(); i > 0; --i)
-    infobars_[i]->CloseSoon();
+    infobars_[i - 1]->CloseSoon();
 
   ChangeTabContents(NULL);
 }
 
 void InfoBarContainer::Observe(NotificationType type,
                                const NotificationSource& source,
                                const NotificationDetails& details) {
   switch (type.value) {
     case NotificationType::TAB_CONTENTS_INFOBAR_ADDED:
       AddInfoBar(
@@ skipping 77 matching lines @@
     return InfoBar::kDefaultArrowTargetHeight;
   // When the first infobar is animating closed, we animate the second infobar's
   // arrow target height from the default to the top target height.  Note that
   // the animation values here are going from 1.0 -> 0.0 as the top bar closes.
   return top_arrow_target_height_ + static_cast<int>(
       (InfoBar::kDefaultArrowTargetHeight - top_arrow_target_height_) *
           first_infobar_animation.GetCurrentValue());
 }
 
 #endif  // TOOLKIT_VIEWS || defined(TOOLKIT_GTK)