Simplify infobar expiry.

components/infobars/core/infobar.cc

 // Copyright 2014 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 "components/infobars/core/infobar.h"
 
 #include <cmath>
 
 #include "base/logging.h"
 #include "build/build_config.h"
@@ skipping 38 matching lines @@
       SkColorSetRGB(250, 230, 145);  // Yellow
   static const SkColor kPageActionBackgroundColorBottom =
       SkColorSetRGB(217, 217, 217);  // Gray
   return (infobar_type == InfoBarDelegate::WARNING_TYPE) ?
       kWarningBackgroundColorBottom : kPageActionBackgroundColorBottom;
 }
 
 void InfoBar::SetOwner(InfoBarManager* owner) {
   DCHECK(!owner_);
   owner_ = owner;
-  delegate_->StoreActiveEntryUniqueID();
   PlatformSpecificSetOwner();
 }
 
 void InfoBar::Show(bool animate) {
   PlatformSpecificShow(animate);
   if (animate) {
     animation_.Show();
   } else {
     animation_.Reset(1.0);
     RecalculateHeights(true);
@@ skipping 83 matching lines @@
 
 void InfoBar::MaybeDelete() {
   if (!owner_ && (animation_.GetCurrentValue() == 0.0)) {
     if (container_)
       container_->RemoveInfoBar(this);
     delete this;
   }
 }
 
 }  // namespace infobars