Eliminate SwapOut message parameters, keeping state in RVHM instead.

content/browser/renderer_host/render_process_host_impl.cc

 // 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.
 
 // Represents the browser side of the browser <--> renderer communication
 // channel. There will be one RenderProcessHost per renderer process.
 
 #include "content/browser/renderer_host/render_process_host_impl.h"
 
 #include <algorithm>
@@ skipping 704 matching lines @@
   if (CommandLine::ForCurrentProcess()->HasSwitch(
       switches::kEnableMemoryBenchmarking))
     channel_->AddFilter(new MemoryBenchmarkMessageFilter());
 #endif
 }
 
 int RenderProcessHostImpl::GetNextRoutingID() {
   return widget_helper_->GetNextRoutingID();
 }
 
-void RenderProcessHostImpl::SimulateSwapOutACK(
-    const ViewMsg_SwapOut_Params& params) {
-  widget_helper_->SimulateSwapOutACK(params);
+void RenderProcessHostImpl::ResumeDeferredNavigation(
+    const GlobalRequestID& request_id) {
+  widget_helper_->ResumeDeferredNavigation(request_id);
 }
 
 bool RenderProcessHostImpl::WaitForBackingStoreMsg(
     int render_widget_id,
     const base::TimeDelta& max_delay,
     IPC::Message* msg) {
   // The post task to this thread with the process id could be in queue, and we
   // don't want to dispatch a message before then since it will need the handle.
   if (child_process_launcher_.get() && child_process_launcher_->IsStarting())
     return false;
@@ skipping 1066 matching lines @@
       continue;
 
     RenderViewHost* rvh =
         RenderViewHost::From(const_cast<RenderWidgetHost*>(widget));
 
     rvh->UpdateWebkitPreferences(rvh->GetWebkitPreferences());
   }
 }
 
 }  // namespace content