OOPIF: Support session restore by combining/splitting frame states.

content/browser/frame_host/render_frame_host_delegate.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_RENDER_FRAME_HOST_DELEGATE_H_
 #define CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_DELEGATE_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 11 matching lines @@
 #endif
 
 class GURL;
 
 namespace IPC {
 class Message;
 }
 
 namespace content {
 class GeolocationServiceContext;
-class PageState;
 class RenderFrameHost;
 class WakeLockServiceContext;
 class WebContents;
 struct AXEventNotificationDetails;
 struct ContextMenuParams;
+struct ExplodedFrameState;
 struct TransitionLayerData;
 
 // An interface implemented by an object interested in knowing about the state
 // of the RenderFrameHost.
 class CONTENT_EXPORT RenderFrameHostDelegate {
  public:
   // This is used to give the delegate a chance to filter IPC messages.
   virtual bool OnMessageReceived(RenderFrameHost* render_frame_host,
                                  const IPC::Message& message);
 
@@ skipping 39 matching lines @@
   virtual void DidAccessInitialDocument() {}
 
   // The frame changed its window.name property.
   virtual void DidChangeName(RenderFrameHost* render_frame_host,
                              const std::string& name) {}
 
   // The onload handler in the frame has completed. Only called for the top-
   // level frame.
   virtual void DocumentOnLoadCompleted(RenderFrameHost* render_frame_host) {}
 
-  // The state for the page changed and should be updated in session history.
+  // The state for the frame changed and should be updated in session history.
   virtual void UpdateStateForFrame(RenderFrameHost* render_frame_host,
-                                   const PageState& page_state) {}
+                                   const ExplodedFrameState& frame_state) {}
 
   // The page's title was changed and should be updated. Only called for the
   // top-level frame.
   virtual void UpdateTitle(RenderFrameHost* render_frame_host,
                            int32 page_id,
                            const base::string16& title,
                            base::i18n::TextDirection title_direction) {}
 
   // The page's encoding was changed and should be updated. Only called for the
   // top-level frame.
@@ skipping 72 matching lines @@
   virtual gfx::NativeViewAccessible GetParentNativeViewAccessible();
 #endif
 
  protected:
   virtual ~RenderFrameHostDelegate() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_DELEGATE_H_