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

chrome/browser/chromeos/status/status_area_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/status/status_area_view.h"
 
 #include <algorithm>
 
 #include "chrome/browser/chromeos/status/clock_menu_button.h"
 #include "chrome/browser/chromeos/status/input_method_menu_button.h"
@@ skipping 35 matching lines @@
   AddChildView(power_view_);
 
   // Window Switcher.
   window_switcher_view_ = new WindowSwitcherButton(host_);
   AddChildView(window_switcher_view_);
 }
 
 gfx::Size StatusAreaView::GetPreferredSize() {
   int result_w = kSeparation;
   int result_h = 0;
-  for (int i = 0; i < GetChildViewCount(); i++) {
+  for (int i = 0; i < child_count(); i++) {
     views::View* cur = GetChildViewAt(i);
     if (cur->IsVisible()) {
       gfx::Size cur_size = cur->GetPreferredSize();
       // Add each width.
       result_w += cur_size.width() + kSeparation;
       // Use max height.
       result_h = std::max(result_h, cur_size.height());
     }
   }
   return gfx::Size(result_w, result_h);
 }
 
 void StatusAreaView::Layout() {
   int cur_x = kSeparation;
-  for (int i = 0; i < GetChildViewCount(); i++) {
+  for (int i = 0; i < child_count(); i++) {
     views::View* cur = GetChildViewAt(i);
     if (cur->IsVisible()) {
       gfx::Size cur_size = cur->GetPreferredSize();
       int cur_y = (height() - cur_size.height()) / 2;
 
       // Handle odd number of pixels.
       cur_y += (height() - cur_size.height()) % 2;
 
       // Put next in row horizontally, and center vertically.
       cur->SetBounds(cur_x, cur_y, cur_size.width(), cur_size.height());
@@ skipping 13 matching lines @@
 }
 
 void StatusAreaView::MakeButtonsActive(bool active) {
   clock_view()->set_active(active);
   input_method_view()->set_active(active);
   network_view()->set_active(active);
   power_view()->set_active(active);
 }
 
 }  // namespace chromeos