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

chrome/browser/ui/views/frame/browser_view_layout.cc

 // Copyright 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/frame/browser_view_layout.h"
 
 #include "base/observer_list.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_finder.h"
@@ skipping 99 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(WebContentsModalDialogHostViews);
 };
 
 // static
 const int BrowserViewLayout::kToolbarTabStripVerticalOverlap = 3;
 
 ////////////////////////////////////////////////////////////////////////////////
 // BrowserViewLayout, public:
 
 BrowserViewLayout::BrowserViewLayout()
-    : delegate_(NULL),
-      browser_(NULL),
+    : browser_(NULL),
       browser_view_(NULL),
       top_container_(NULL),
       tab_strip_(NULL),
       toolbar_(NULL),
       bookmark_bar_(NULL),
       infobar_container_(NULL),
       contents_split_(NULL),
       contents_container_(NULL),
       overlay_container_(NULL),
       download_shelf_(NULL),
       immersive_mode_controller_(NULL),
       dialog_host_(new WebContentsModalDialogHostViews(this)),
-      web_contents_modal_dialog_top_y_(-1) {
-}
+      web_contents_modal_dialog_top_y_(-1) {}
 
 BrowserViewLayout::~BrowserViewLayout() {
 }
 
 void BrowserViewLayout::Init(
     BrowserViewLayoutDelegate* delegate,
     Browser* browser,
     BrowserView* browser_view,
     views::View* top_container,
     TabStrip* tab_strip,
@@ skipping 481 matching lines @@
   return bottom;
 }
 
 bool BrowserViewLayout::InfobarVisible() const {
   // Cast to a views::View to access GetPreferredSize().
   views::View* infobar_container = infobar_container_;
   // NOTE: Can't check if the size IsEmpty() since it's always 0-width.
   return browser_->SupportsWindowFeature(Browser::FEATURE_INFOBAR) &&
       (infobar_container->GetPreferredSize().height() != 0);
 }