aura-mus: Implement Deactivate().

mash/simple_wm/simple_wm.cc

 // Copyright 2016 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 "mash/simple_wm/simple_wm.h"
 
 #include "base/observer_list.h"
 #include "base/strings/utf_string_conversions.h"
 #include "mash/simple_wm/move_event_handler.h"
 #include "ui/aura/client/aura_constants.h"
@@ skipping 539 matching lines @@
   // Don't care.
 }
 
 void SimpleWM::OnWmCancelMoveLoop(aura::Window* window) {}
 
 void SimpleWM::OnWmSetClientArea(
     aura::Window* window,
     const gfx::Insets& insets,
     const std::vector<gfx::Rect>& additional_client_areas) {}
 
+void SimpleWM::OnWmDeactivateWindow(aura::Window* window) {}
+
 ////////////////////////////////////////////////////////////////////////////////
 // SimpleWM, wm::BaseFocusRules implementation:
 
 bool SimpleWM::SupportsChildActivation(aura::Window* window) const {
   return window == window_root_;
 }
 
 bool SimpleWM::IsWindowConsideredVisibleForActivation(
     aura::Window* window) const {
   if (window->IsVisible())
@@ skipping 17 matching lines @@
 }
 
 void SimpleWM::OnWindowListViewItemActivated(aura::Window* window) {
   window->Show();
   aura::client::ActivationClient* activation_client =
       aura::client::GetActivationClient(window->GetRootWindow());
   activation_client->ActivateWindow(window);
 }
 
 }  // namespace simple_wm