Rewrite scoped_ptr<T>(NULL) to use the default ctor in chrome/.

chrome/browser/ui/views/status_bubble_views.cc

 // Copyright (c) 2012 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 "chrome/browser/ui/views/status_bubble_views.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/i18n/rtl.h"
@@ skipping 530 matching lines @@
   status_view_->SchedulePaint();
 }
 
 // StatusBubble ---------------------------------------------------------------
 
 const int StatusBubbleViews::kShadowThickness = 1;
 
 StatusBubbleViews::StatusBubbleViews(views::View* base_view)
     : contains_mouse_(false),
       offset_(0),
-      popup_(NULL),
       opacity_(0),
       base_view_(base_view),
       view_(NULL),
       download_shelf_is_visible_(false),
       is_expanded_(false),
       expand_timer_factory_(this) {
   expand_view_.reset();
 }
 
 StatusBubbleViews::~StatusBubbleViews() {
@@ skipping 283 matching lines @@
 void StatusBubbleViews::SetBubbleWidth(int width) {
   size_.set_width(width);
   SetBounds(original_position_.x(), original_position_.y(),
             size_.width(), size_.height());
 }
 
 void StatusBubbleViews::CancelExpandTimer() {
   if (expand_timer_factory_.HasWeakPtrs())
     expand_timer_factory_.InvalidateWeakPtrs();
 }