Fix auto raw pointer deduction on linux

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 28 matching lines @@
 };
 
 class SimpleWM::WindowListModel : public aura::WindowObserver {
  public:
   explicit WindowListModel(aura::Window* window_container)
       : window_container_(window_container) {
     window_container_->AddObserver(this);
   }
   ~WindowListModel() override {
     window_container_->RemoveObserver(this);
-    for (auto window : windows_)
+    for (auto* window : windows_)
       window->RemoveObserver(this);
   }
 
   size_t GetSize() const {
     return windows_.size();
   }
   base::string16 GetTitle(size_t index) const {
     return windows_.at(index)->GetTitle();
   }
   aura::Window* GetWindow(size_t index) const {
@@ skipping 516 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