Adding functions to the window_list_provider for accessing the activities window list

athena/wm/window_list_provider_impl.h

 // Copyright 2014 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 ATHENA_WM_WINDOW_LIST_PROVIDER_IMPL_H_
 #define ATHENA_WM_WINDOW_LIST_PROVIDER_IMPL_H_
 
 #include "athena/wm/public/window_list_provider.h"
 
 namespace athena {
 
 // This implementation of the WindowListProviderImpl uses the same order as in
 // the container window's stacking order.
 class ATHENA_EXPORT WindowListProviderImpl : public WindowListProvider {
  public:
   explicit WindowListProviderImpl(aura::Window* container);
   virtual ~WindowListProviderImpl();
 
  private:
   // WindowListProvider:
-  virtual aura::Window::Windows GetWindowList() const OVERRIDE;
+  virtual aura::Window::Windows GetCurrentWindowList() const OVERRIDE;
+  virtual bool IsWindowInList(aura::Window* window) const OVERRIDE;
+  virtual bool IsValidWindow(aura::Window* window) const OVERRIDE;
+  virtual void AddWindow(aura::Window* window) OVERRIDE;
+  virtual void MoveToFront(aura::Window* window) OVERRIDE;
+  virtual void MoveWindowInFrontOfReferenceWindow(
+      aura::Window* window,
+      aura::Window*reference_window) OVERRIDE;
+  virtual void MoveWindowBehindOfReferenceWindow(
+      aura::Window* window,
+      aura::Window*reference_window) OVERRIDE;
 
   aura::Window* container_;
 
   DISALLOW_COPY_AND_ASSIGN(WindowListProviderImpl);
 };
 
 }  // namespace athena
 
 #endif  // ATHENA_WM_WINDOW_LIST_PROVIDER_IMPL_H_