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

chrome/browser/ui/views/accessible_view_helper.cc

 // Copyright (c) 2011 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/accessible_view_helper.h"
 
 #include "chrome/browser/accessibility_events.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/views/accessibility_event_router_views.h"
 #include "chrome/common/notification_service.h"
@@ skipping 61 matching lines @@
 
 void AccessibleViewHelper::SetViewName(views::View* view, int string_id) {
   const std::string name = l10n_util::GetStringUTF8(string_id);
   SetViewName(view, name);
 }
 
 gfx::NativeView AccessibleViewHelper::GetNativeView(views::View* view) const {
   if (view->GetClassName() == views::NativeViewHost::kViewClassName)
     return static_cast<views::NativeViewHost*>(view)->native_view();
 
-  for (int i = 0; i < view->GetChildViewCount(); i++) {
+  for (size_t i = 0; i < view->child_count(); i++) {
     gfx::NativeView native_view = GetNativeView(view->GetChildViewAt(i));
     if (native_view)
       return native_view;
   }
 
   return NULL;
 }