Get rid of Widget::ConvertPointFromAncestor.

ui/views/widget/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 "ui/views/widget/widget.h"
 
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "base/utf_string_conversions.h"
 #include "ui/base/hit_test.h"
@@ skipping 798 matching lines @@
 
 bool Widget::SetInitialFocus() {
   if (!focus_on_creation_)
     return true;
   View* v = widget_delegate_->GetInitiallyFocusedView();
   if (v)
     v->RequestFocus();
   return !!v;
 }
 
-bool Widget::ConvertPointFromAncestor(
-    const Widget* ancestor, gfx::Point* point) const {
-  return native_widget_->ConvertPointFromAncestor(ancestor, point);
-}
-
 View* Widget::GetChildViewParent() {
   return GetContentsView() ? GetContentsView() : GetRootView();
 }
 
 gfx::Rect Widget::GetWorkAreaBoundsInScreen() const {
   return native_widget_->GetWorkAreaBoundsInScreen();
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // Widget, NativeWidgetDelegate implementation:
@@ skipping 369 matching lines @@
 
 ////////////////////////////////////////////////////////////////////////////////
 // internal::NativeWidgetPrivate, NativeWidget implementation:
 
 internal::NativeWidgetPrivate* NativeWidgetPrivate::AsNativeWidgetPrivate() {
   return this;
 }
 
 }  // namespace internal
 }  // namespace views