aura: Remove NotifyAncestorWindowTransformed in window observer.

ui/aura/window.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.
 
 #include "ui/aura/window.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <utility>
@@ skipping 248 matching lines @@
 }
 
 void Window::SetTransform(const gfx::Transform& transform) {
   for (WindowObserver& observer : observers_)
     observer.OnWindowTransforming(this);
   gfx::Transform old_transform = layer()->transform();
   layer()->SetTransform(transform);
   port_->OnDidChangeTransform(old_transform, transform);
   for (WindowObserver& observer : observers_)
     observer.OnWindowTransformed(this);
-  NotifyAncestorWindowTransformed(this);
 }
 
 void Window::SetLayoutManager(LayoutManager* layout_manager) {
   if (layout_manager == layout_manager_.get())
     return;
   layout_manager_.reset(layout_manager);
   if (!layout_manager)
     return;
   // If we're changing to a new layout manager, ensure it is aware of all the
   // existing child windows.
@@ skipping 684 matching lines @@
 void Window::NotifyWindowVisibilityChangedUp(aura::Window* target,
                                              bool visible) {
   // Start with the parent as we already notified |this|
   // in NotifyWindowVisibilityChangedDown.
   for (Window* window = parent(); window; window = window->parent()) {
     bool ret = window->NotifyWindowVisibilityChangedAtReceiver(target, visible);
     DCHECK(ret);
   }
 }
 
-void Window::NotifyAncestorWindowTransformed(Window* source) {
-  for (WindowObserver& observer : observers_)
-    observer.OnAncestorWindowTransformed(source, this);
-  for (Window::Windows::const_iterator it = children_.begin();
-       it != children_.end(); ++it) {
-    (*it)->NotifyAncestorWindowTransformed(source);
-  }
-}
-
 bool Window::CleanupGestureState() {
   bool state_modified = false;
   state_modified |= ui::GestureRecognizer::Get()->CancelActiveTouches(this);
   state_modified |=
       ui::GestureRecognizer::Get()->CleanupStateForConsumer(this);
   for (Window::Windows::iterator iter = children_.begin();
        iter != children_.end();
        ++iter) {
     state_modified |= (*iter)->CleanupGestureState();
   }
@@ skipping 92 matching lines @@
     layer_name = "Unnamed Window";
 
   if (id_ != -1)
     layer_name += " " + base::IntToString(id_);
 
   layer()->set_name(layer_name);
 #endif
 }
 
 }  // namespace aura