Introduce content::PageState (again).

content/browser/renderer_host/render_view_host_delegate.h

 // Copyright (c) 2012 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_RENDERER_HOST_RENDER_VIEW_HOST_DELEGATE_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_DELEGATE_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 29 matching lines @@
 
 namespace gfx {
 class Point;
 class Rect;
 class Size;
 }
 
 namespace content {
 
 class BrowserContext;
+class PageState;
 class RenderViewHost;
 class RenderViewHostDelegateView;
 class SessionStorageNamespace;
 class WebContents;
 class WebContentsImpl;
 struct ContextMenuParams;
 struct FileChooserParams;
 struct GlobalRequestID;
 struct NativeWebKeyboardEvent;
 struct Referrer;
@@ skipping 103 matching lines @@
       RenderViewHost* render_view_host,
       const ViewHostMsg_DidFailProvisionalLoadWithError_Params& params) {}
 
   // The RenderView was navigated to a different page.
   virtual void DidNavigate(RenderViewHost* render_view_host,
                            const ViewHostMsg_FrameNavigate_Params& params) {}
 
   // The state for the page changed and should be updated.
   virtual void UpdateState(RenderViewHost* render_view_host,
                            int32 page_id,
-                           const std::string& state) {}
+                           const PageState& state) {}
 
   // The page's title was changed and should be updated.
   virtual void UpdateTitle(RenderViewHost* render_view_host,
                            int32 page_id,
                            const string16& title,
                            base::i18n::TextDirection title_direction) {}
 
   // The page's encoding was changed and should be updated.
   virtual void UpdateEncoding(RenderViewHost* render_view_host,
                               const std::string& encoding) {}
@@ skipping 223 matching lines @@
       const MediaStreamRequest& request,
       const MediaResponseCallback& callback) {}
 
  protected:
   virtual ~RenderViewHostDelegate() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_DELEGATE_H_