Revert "Fix MojoApplicationHost assertion when navigating from RenderProcessGone."

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 2057 matching lines @@
                     RenderProcessExited(this, status, exit_code));
   within_process_died_observer_ = false;
 
   gpu_message_filter_ = NULL;
   message_port_message_filter_ = NULL;
 #if defined(ENABLE_BROWSER_CDMS)
   browser_cdm_manager_ = NULL;
 #endif
   RemoveUserData(kSessionStorageHolderKey);
 
-  // RenderProcessGone handlers might navigate or perform other actions that
-  // require a connection. Ensure that there is one before calling them.
-  mojo_application_host_.reset(new MojoApplicationHost);
-
   IDMap<IPC::Listener>::iterator iter(&listeners_);
   while (!iter.IsAtEnd()) {
     iter.GetCurrentValue()->OnMessageReceived(
         FrameHostMsg_RenderProcessGone(iter.GetCurrentKey(),
                                        static_cast<int>(status),
                                        exit_code));
     iter.Advance();
   }
 
+  mojo_application_host_.reset(new MojoApplicationHost);
+
   // It's possible that one of the calls out to the observers might have caused
   // this object to be no longer needed.
   if (delayed_cleanup_needed_)
     Cleanup();
 
   // This object is not deleted at this point and might be reused later.
   // TODO(darin): clean this up
 }
 
 int RenderProcessHostImpl::GetActiveViewCount() {
@@ skipping 299 matching lines @@
   if (worker_ref_count_ == 0)
     Cleanup();
 }
 
 void RenderProcessHostImpl::GetAudioOutputControllers(
     const GetAudioOutputControllersCallback& callback) const {
   audio_renderer_host()->GetOutputControllers(callback);
 }
 
 }  // namespace content