Revert of Remove the is_loading_ field from WebContentsImpl

content/browser/frame_host/interstitial_page_impl.h

 // Copyright 2013 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 CONTENT_BROWSER_FRAME_HOST_INTERSTITIAL_PAGE_IMPL_H_
 #define CONTENT_BROWSER_FRAME_HOST_INTERSTITIAL_PAGE_IMPL_H_
 
 #include <stdint.h>
 
 #include "base/compiler_specific.h"
@@ skipping 253 matching lines @@
   FrameTree frame_tree_;
 
   // The IDs for the Render[View|Process]Host hidden by this interstitial.
   int original_child_id_;
   int original_rvh_id_;
 
   // Whether or not we should change the title of the contents when hidden (to
   // revert it to its original value).
   bool should_revert_web_contents_title_;
 
+  // Whether or not the contents was loading resources when the interstitial was
+  // shown.  We restore this state if the user proceeds from the interstitial.
+  bool web_contents_was_loading_;
+
   // Whether the ResourceDispatcherHost has been notified to cancel/resume the
   // resource requests blocked for the RenderViewHost.
   bool resource_dispatcher_host_notified_;
 
   // The original title of the contents that should be reverted to when the
   // interstitial is hidden.
   base::string16 original_web_contents_title_;
 
   // Our RenderViewHostViewDelegate, necessary for accelerators to work.
   scoped_ptr<InterstitialPageRVHDelegateView> rvh_delegate_view_;
 
   // Settings passed to the renderer.
   mutable RendererPreferences renderer_preferences_;
 
   bool create_view_;
 
   scoped_ptr<InterstitialPageDelegate> delegate_;
 
   scoped_refptr<SessionStorageNamespace> session_storage_namespace_;
 
   base::WeakPtrFactory<InterstitialPageImpl> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(InterstitialPageImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_FRAME_HOST_INTERSTITIAL_PAGE_IMPL_H_