Switch to standard integer types in extensions/.

extensions/shell/browser/shell_app_view_guest_delegate.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 EXTENSIONS_SHELL_BROWSER_SHELL_APP_VIEW_GUEST_DELEGATE_H_
 #define EXTENSIONS_SHELL_BROWSER_SHELL_APP_VIEW_GUEST_DELEGATE_H_
 
+#include "base/macros.h"
 #include "content/public/common/context_menu_params.h"
 #include "extensions/browser/guest_view/app_view/app_view_guest_delegate.h"
 
 namespace extensions {
 
 class ShellAppViewGuestDelegate : public AppViewGuestDelegate {
  public:
   ShellAppViewGuestDelegate();
   ~ShellAppViewGuestDelegate() override;
 
   // AppViewGuestDelegate:
   bool HandleContextMenu(content::WebContents* web_contents,
                          const content::ContextMenuParams& params) override;
   AppDelegate* CreateAppDelegate() override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ShellAppViewGuestDelegate);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_SHELL_BROWSER_SHELL_APP_VIEW_GUEST_DELEGATE_H_