Rework tree APIs to reflect Google style and more const-correctness....

chrome/browser/chromeos/login/new_user_view.cc

 // Copyright (c) 2010 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/chromeos/login/new_user_view.h"
 
 #include <signal.h>
 #include <sys/types.h>
 
 #include <algorithm>
@@ skipping 247 matching lines @@
   splitter->set_background(views::Background::CreateSolidBackground(color));
   AddChildView(splitter);
   return splitter;
 }
 
 void NewUserView::AddChildView(View* view) {
   // languages_menubutton_ and sign_in_button_ are recreated on text change,
   // so we restore their original position in layout.
   if (view == languages_menubutton_) {
     if (languages_menubutton_order_ < 0) {
-      languages_menubutton_order_ = GetChildViewCount();
+      languages_menubutton_order_ = child_count();
     }
-    views::View::AddChildView(languages_menubutton_order_, view);
+    views::View::AddChildViewAt(view, languages_menubutton_order_);
   } else if (view == sign_in_button_) {
     if (sign_in_button_order_ < 0) {
-      sign_in_button_order_ = GetChildViewCount();
+      sign_in_button_order_ = child_count();
     }
-    views::View::AddChildView(sign_in_button_order_, view);
+    views::View::AddChildViewAt(view, sign_in_button_order_);
   } else {
     views::View::AddChildView(view);
   }
 }
 
 void NewUserView::UpdateLocalizedStrings() {
   title_label_->SetText(UTF16ToWide(
       l10n_util::GetStringUTF16(IDS_LOGIN_TITLE)));
   title_hint_label_->SetText(UTF16ToWide(
       l10n_util::GetStringUTF16(IDS_LOGIN_TITLE_HINT)));
@@ skipping 263 matching lines @@
 
 void NewUserView::InitLink(views::Link** link) {
   *link = new views::Link(std::wstring());
   (*link)->SetController(this);
   (*link)->SetNormalColor(login::kLinkColor);
   (*link)->SetHighlightedColor(login::kLinkColor);
   AddChildView(*link);
 }
 
 }  // namespace chromeos