ToolbarModel: Supply offline page status.

chrome/browser/android/vr_shell/toolbar_state.h

 // Copyright 2017 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 CHROME_BROWSER_ANDROID_VR_SHELL_TOOLBAR_STATE_H_
 #define CHROME_BROWSER_ANDROID_VR_SHELL_TOOLBAR_STATE_H_
 
 #include "components/security_state/core/security_state.h"
 #include "url/gurl.h"
 
 namespace gfx {
 struct VectorIcon;
 }
 
 namespace vr_shell {
 
 // Passes information obtained from ToolbarModel to the VR UI framework.
 struct ToolbarState {
  public:
   ToolbarState();
   ToolbarState(const GURL& url,
                security_state::SecurityLevel level,
                const gfx::VectorIcon* icon,
                base::string16 verbose_text,
-               bool display_url);
+               bool display_url,
+               bool offline);
+  ToolbarState(const ToolbarState& other);
 
   bool operator==(const ToolbarState& other) const;
   bool operator!=(const ToolbarState& other) const;
 
   GURL gurl;
   security_state::SecurityLevel security_level;
   const gfx::VectorIcon* vector_icon;
   base::string16 secure_verbose_text;
   bool should_display_url;
+  bool offline_page;
 };
 
 }  // namespace vr_shell
 
 #endif  // CHROME_BROWSER_ANDROID_VR_SHELL_TOOLBAR_STATE_H_