Remove old (pre-webkit) compositor

ui/gfx/compositor/debug_utils.cc

 // Copyright (c) 2012 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.
 
 #ifndef NDEBUG
 
 #include "ui/gfx/compositor/debug_utils.h"
 
 #include <iomanip>
 #include <iostream>
@@ skipping 28 matching lines @@
     buf << L'*';
   else
     buf << L'+';
 
   buf << UTF8ToWide(layer->name()) << L' ' << layer;
 
   buf << L'\n' << UTF8ToWide(content_indent_str);
   buf << L"bounds: " << layer->bounds().x() << L',' << layer->bounds().y();
   buf << L' ' << layer->bounds().width() << L'x' << layer->bounds().height();
 
-  if (!layer->hole_rect().IsEmpty()) {
-    buf << L'\n' << UTF8ToWide(content_indent_str);
-    gfx::Rect hole_rect = layer->hole_rect();
-    buf << L"hole: " << hole_rect.x() << L',' << hole_rect.y();
-    buf << L' ' << hole_rect.width() << L'x' << hole_rect.height();
-  }
-
   if (layer->opacity() != 1.0f) {
     buf << L'\n' << UTF8ToWide(content_indent_str);
     buf << L"opacity: " << std::setprecision(2) << layer->opacity();
   }
 
   if (layer->transform().HasChange()) {
     gfx::Point translation;
     float rotation;
     gfx::Point3f scale;
     if (ui::InterpolatedTransform::FactorTRS(layer->transform(),
@@ skipping 27 matching lines @@
 
 }  // namespace
 
 void PrintLayerHierarchy(const Layer* layer, gfx::Point mouse_location) {
   PrintLayerHierarchyImp(layer, 0, mouse_location);
 }
 
 } // namespace ui
 
 #endif // NDEBUG