Eliminate SwapOut message parameters, keeping state in RVHM instead.

content/public/browser/render_process_host.h

Index: content/public/browser/render_process_host.h
diff --git a/content/public/browser/render_process_host.h b/content/public/browser/render_process_host.h
index da1bc3458b4149f0905f04ee750c0ae6ad1c00c7..3042dac58e462cd573cd9b454a4bbf87448120c8 100644
--- a/content/public/browser/render_process_host.h
+++ b/content/public/browser/render_process_host.h
@@ -64,12 +64,6 @@ class CONTENT_EXPORT RenderProcessHost : public IPC::Sender,
   // Gets the next available routing id.
   virtual int GetNextRoutingID() = 0;
 
-  // Called on the UI thread to simulate a SwapOut_ACK message to the
-  // ResourceDispatcherHost.  Necessary for a cross-site request, in the case
-  // that the original RenderViewHost is not live and thus cannot run an
-  // unload handler.
-  virtual void SimulateSwapOutACK(const ViewMsg_SwapOut_Params& params) = 0;
-
   // Called to wait for the next UpdateRect message for the specified render
   // widget.  Returns true if successful, and the msg out-param will contain a
   // copy of the received UpdateRect message.