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

chrome/browser/ui/views/task_manager_view.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/task_manager/task_manager.h"
 
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/metrics/stats_table.h"
 #include "base/utf_string_conversions.h"
@@ skipping 500 matching lines @@
   gfx::Size size = kill_button_->GetPreferredSize();
   int prefered_width = size.width();
   int prefered_height = size.height();
 
   tab_table_->SetBounds(x() + kPanelHorizMargin,
                         y() + kPanelVertMargin,
                         width() - 2 * kPanelHorizMargin,
                         height() - 2 * kPanelVertMargin - prefered_height);
 
   // y-coordinate of button top left.
-  gfx::Rect parent_bounds = GetParent()->GetContentsBounds();
+  gfx::Rect parent_bounds = parent()->GetContentsBounds();
   int y_buttons =
       parent_bounds.bottom() - prefered_height - views::kButtonVEdgeMargin;
 
   kill_button_->SetBounds(x() + width() - prefered_width - kPanelHorizMargin,
                           y_buttons,
                           prefered_width,
                           prefered_height);
 
   if (purge_memory_button_) {
     size = purge_memory_button_->GetPreferredSize();
@@ skipping 237 matching lines @@
 // Declared in browser_dialogs.h so others don't need to depend on our header.
 void ShowTaskManager() {
   TaskManagerView::Show(false);
 }
 
 void ShowBackgroundPages() {
   TaskManagerView::Show(true);
 }
 
 }  // namespace browser