views/mus: Have explicit ownership of views::WindowManagerConnection.

services/navigation/content_client/browser_main_parts.h

 // 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.
 
 #ifndef SERVICES_NAVIGATION_CONTENT_CLIENT_BROWSER_MAIN_PARTS_H_
 #define SERVICES_NAVIGATION_CONTENT_CLIENT_BROWSER_MAIN_PARTS_H_
 
 #include <memory>
 
 #include "base/macros.h"
 #include "content/public/browser/browser_main_parts.h"
 
 namespace content {
 class ShellBrowserContext;
 struct MainFunctionParams;
 }
 
 namespace net {
 class NetLog;
 }
 
 namespace views {
 class ViewsDelegate;
+class WindowManagerConnection;
 }
 
 namespace navigation {
 
 class Navigation;
 
 class BrowserMainParts : public content::BrowserMainParts {
  public:
   BrowserMainParts(const content::MainFunctionParams& parameters);
   ~BrowserMainParts() override;
 
   // Overridden from content::BrowserMainParts:
   void ToolkitInitialized() override;
   void PreMainMessageLoopRun() override;
   bool MainMessageLoopRun(int* result_code) override;
   void PostMainMessageLoopRun() override;
 
   content::ShellBrowserContext* browser_context() {
     return browser_context_.get();
   }
 
   void set_navigation(Navigation* navigation) { navigation_ = navigation; }
 
  private:
   std::unique_ptr<net::NetLog> net_log_;
   std::unique_ptr<content::ShellBrowserContext> browser_context_;
   std::unique_ptr<views::ViewsDelegate> views_delegate_;
+  std::unique_ptr<views::WindowManagerConnection> window_manager_connection_;
 
   Navigation* navigation_ = nullptr;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserMainParts);
 };
 
 }  // namespace navigation
 
 #endif  // SERVICES_NAVIGATION_CONTENT_CLIENT_BROWSER_MAIN_PARTS_H_