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

ui/views/controls/textfield/native_textfield_views.cc

 // Copyright (c) 2013 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 "ui/views/controls/textfield/native_textfield_views.h"
 
 #include <algorithm>
 #include <set>
 
 #include "base/bind.h"
@@ skipping 65 matching lines @@
 
 NativeTextfieldViews::NativeTextfieldViews(Textfield* parent)
     : textfield_(parent),
       model_(new TextfieldViewsModel(this)),
       text_border_(new FocusableBorder()),
       is_cursor_visible_(false),
       is_drop_cursor_visible_(false),
       skip_input_method_cancel_composition_(false),
       initiating_drag_(false),
       cursor_timer_(this),
-      aggregated_clicks_(0),
-      touch_selection_controller_(NULL) {
+      aggregated_clicks_(0) {
   set_border(text_border_);
 
 #if defined(OS_CHROMEOS)
   GetRenderText()->SetFontList(gfx::FontList(l10n_util::GetStringUTF8(
       IDS_UI_FONT_FAMILY_CROS)));
 #else
   GetRenderText()->SetFont(textfield_->font());
 #endif
 
   UpdateColorsFromTheme(GetNativeTheme());
@@ skipping 1408 matching lines @@
   if (index != -1) {
     obscured_reveal_timer_.Start(
         FROM_HERE,
         duration,
         base::Bind(&NativeTextfieldViews::RevealObscuredChar,
                    base::Unretained(this), -1, base::TimeDelta()));
   }
 }
 
 }  // namespace views