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

chrome/browser/chromeos/views/webui_menu_widget.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/chromeos/views/webui_menu_widget.h"
 
 #include <algorithm>
 
 #include "base/stringprintf.h"
 #include "base/singleton.h"
@@ skipping 64 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(RoundedBorder);
 };
 
 class InsetsLayout : public views::LayoutManager {
  public:
   InsetsLayout() : views::LayoutManager() {}
 
  private:
   // views::LayoutManager implementatios.
   virtual void Layout(views::View* host) {
-    if (host->GetChildViewCount() == 0)
+    if (!host->has_children())
       return;
     gfx::Insets insets = host->GetInsets();
     views::View* view = host->GetChildViewAt(0);
 
     view->SetBounds(insets.left(), insets.top(),
                     host->width() - insets.width(),
                     host->height() - insets.height());
   }
 
   virtual gfx::Size GetPreferredSize(views::View* host) {
-    DCHECK(host->GetChildViewCount() == 1);
+    DCHECK(host->child_count() == 1);
     gfx::Insets insets = host->GetInsets();
     gfx::Size size = host->GetChildViewAt(0)->GetPreferredSize();
     return gfx::Size(size.width() + insets.width(),
                      size.height() + insets.height());
   }
 
   DISALLOW_COPY_AND_ASSIGN(InsetsLayout);
 };
 
 // A gtk widget key used to test if a given WidgetGtk instance is
@@ skipping 43 matching lines @@
 
 void WebUIMenuWidget::Hide() {
   ReleaseGrab();
   WidgetGtk::Hide();
   // Clears the content.
   ExecuteJavascript(L"updateModel({'items':[]})");
 }
 
 void WebUIMenuWidget::Close() {
   if (dom_view_ != NULL) {
-    dom_view_->GetParent()->RemoveChildView(dom_view_);
+    dom_view_->parent()->RemoveChildView(dom_view_);
     delete dom_view_;
     dom_view_ = NULL;
   }
 
   // Detach the webui_menu_ which is being deleted.
   webui_menu_ = NULL;
   views::WidgetGtk::Close();
 }
 
 void WebUIMenuWidget::ReleaseGrab() {
@@ skipping 96 matching lines @@
     dom_view_->Init(webui_menu_->GetProfile(), NULL);
     // TODO(oshima): remove extra view to draw rounded corner.
     views::View* container = new views::View();
     container->AddChildView(dom_view_);
     container->set_border(new RoundedBorder(locator));
     container->SetLayoutManager(new InsetsLayout());
     SetContentsView(container);
     dom_view_->LoadURL(webui_menu_->menu_url());
   } else {
     webui_menu_->UpdateStates();
-    dom_view_->GetParent()->set_border(new RoundedBorder(locator));
+    dom_view_->parent()->set_border(new RoundedBorder(locator));
     menu_locator_->Move(this);
   }
   Show();
 
   // The pointer grab is captured only on the top level menu,
   // all mouse event events are delivered to submenu using gtk_add_grab.
   if (is_root_) {
     CaptureGrab();
   }
 }
@@ skipping 43 matching lines @@
   EnableInput(false /* no selection */);
 }
 
 void WebUIMenuWidget::ClearGrabWidget() {
   GtkWidget* grab_widget;
   while ((grab_widget = gtk_grab_get_current()))
     gtk_grab_remove(grab_widget);
 }
 
 }   // namespace chromeos