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

chrome/browser/ui/views/tabs/base_tab_strip.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/tabs/base_tab_strip.h"
 
 #include "base/logging.h"
 #include "chrome/browser/ui/view_ids.h"
 #include "chrome/browser/ui/views/tabs/dragged_tab_controller.h"
 #include "chrome/browser/ui/views/tabs/tab_strip_controller.h"
@@ skipping 315 matching lines @@
 BaseTab* BaseTabStrip::GetTabAt(BaseTab* tab,
                                 const gfx::Point& tab_in_tab_coordinates) {
   gfx::Point local_point = tab_in_tab_coordinates;
   ConvertPointToView(tab, this, &local_point);
   views::View* view = GetViewForPoint(local_point);
   if (!view)
     return NULL;  // No tab contains the point.
 
   // Walk up the view hierarchy until we find a tab, or the TabStrip.
   while (view && view != this && view->GetID() != VIEW_ID_TAB)
-    view = view->GetParent();
+    view = view->parent();
 
   return view && view->GetID() == VIEW_ID_TAB ?
       static_cast<BaseTab*>(view) : NULL;
 }
 
 void BaseTabStrip::Layout() {
   // Only do a layout if our size changed.
   if (last_layout_size_ == size())
     return;
   DoLayout();
@@ skipping 141 matching lines @@
 
   StopAnimating(false);
 
   GenerateIdealBounds();
 
   for (int i = 0; i < tab_count(); ++i)
     tab_data_[i].tab->SetBoundsRect(tab_data_[i].ideal_bounds);
 
   SchedulePaint();
 }