Eliminate SwapOut message parameters, keeping state in RVHM instead.

content/browser/web_contents/web_contents_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.
 
 #include "content/browser/web_contents/web_contents_impl.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
@@ skipping 3057 matching lines @@
 #endif
 
   // Ignore this if it comes from a RenderViewHost that we aren't showing.
   if (delegate_ && rvh == GetRenderViewHost())
     delegate_->CloseContents(this);
 }
 
 void WebContentsImpl::SwappedOut(RenderViewHost* rvh) {
   if (delegate_ && rvh == GetRenderViewHost())
     delegate_->SwappedOut(this);
+
+  // Allow the navigation to proceed.
+  render_manager_.SwappedOut(rvh);
 }
 
 void WebContentsImpl::RequestMove(const gfx::Rect& new_bounds) {
   if (delegate_ && delegate_->IsPopupOrPanel(this))
     delegate_->MoveContents(this, new_bounds);
 }
 
 void WebContentsImpl::DidStartLoading(RenderViewHost* render_view_host) {
   SetIsLoading(true, NULL);
 
@@ skipping 580 matching lines @@
 }
 
 BrowserPluginGuestManager*
     WebContentsImpl::GetBrowserPluginGuestManager() const {
   return static_cast<BrowserPluginGuestManager*>(
       GetBrowserContext()->GetUserData(
           browser_plugin::kBrowserPluginGuestManagerKeyName));
 }
 
 }  // namespace content