GTK: Even more cleanup to access allocation through the accessor.

chrome/browser/ui/gtk/tabs/tab_renderer_gtk.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/gtk/tabs/tab_renderer_gtk.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "base/debug/trace_event.h"
@@ skipping 81 matching lines @@
 // The vertical and horizontal offset used to position the close button
 // in the tab. TODO(jhawkins): Ask pkasting what the Fuzz is about.
 const int kCloseButtonVertFuzz = 0;
 const int kCloseButtonHorzFuzz = 5;
 
 // Gets the bounds of |widget| relative to |parent|.
 gfx::Rect GetWidgetBoundsRelativeToParent(GtkWidget* parent,
                                           GtkWidget* widget) {
   gfx::Point parent_pos = gtk_util::GetWidgetScreenPosition(parent);
   gfx::Point widget_pos = gtk_util::GetWidgetScreenPosition(widget);
+
+  GtkAllocation allocation;
+  gtk_widget_get_allocation(widget, &allocation);
+
   return gfx::Rect(widget_pos.x() - parent_pos.x(),
                    widget_pos.y() - parent_pos.y(),
-                   widget->allocation.width, widget->allocation.height);
+                   allocation.width, allocation.height);
 }
 
 }  // namespace
 
 TabRendererGtk::LoadingAnimation::Data::Data(
     GtkThemeService* theme_service) {
   // The loading animation image is a strip of states. Each state must be
   // square, so the height must divide the width evenly.
   SkBitmap* loading_animation_frames =
       theme_service->GetBitmapNamed(IDR_THROBBER);
@@ skipping 1006 matching lines @@
 
   close_button_width_ = rb.GetBitmapNamed(IDR_TAB_CLOSE)->width();
   close_button_height_ = rb.GetBitmapNamed(IDR_TAB_CLOSE)->height();
 
   const gfx::Font& base_font = rb.GetFont(ResourceBundle::BaseFont);
   title_font_ = new gfx::Font(base_font.GetFontName(), kFontPixelSize);
   title_font_height_ = title_font_->GetHeight();
 
   initialized_ = true;
 }