Fix RPHI message queueing during process death

content/browser/renderer_host/render_view_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.
 
 #include "content/browser/renderer_host/render_view_host_impl.h"
 
 #include <set>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 254 matching lines @@
       updating_web_preferences_(false),
       render_view_ready_on_process_launch_(false),
       weak_factory_(this) {
   DCHECK(instance_.get());
   CHECK(delegate_);  // http://crbug.com/82827
 
   GetWidget()->set_owner_delegate(this);
 
   GetProcess()->AddObserver(this);
 
+  // New views may be created during RenderProcessHost::ProcessDied(), within a
+  // brief window where the internal ChannelProxy is null. This ensures that the
+  // ChannelProxy is re-initialized in such cases so that subsequent messages
+  // make their way to the new renderer once its restarted.
+  GetProcess()->EnableSendQueue();
+
   if (ResourceDispatcherHostImpl::Get()) {
     BrowserThread::PostTask(
         BrowserThread::IO, FROM_HERE,
         base::Bind(&ResourceDispatcherHostImpl::OnRenderViewHostCreated,
                    base::Unretained(ResourceDispatcherHostImpl::Get()),
                    GetProcess()->GetID(), GetRoutingID()));
   }
 }
 
 RenderViewHostImpl::~RenderViewHostImpl() {
@@ skipping 1033 matching lines @@
     // Note: We are using the origin URL provided by the sender here. It may be
     // different from the receiver's.
     file_system_file.url =
         GURL(storage::GetIsolatedFileSystemRootURIString(
                  file_system_url.origin(), filesystem_id, std::string())
                  .append(register_name));
   }
 }
 
 }  // namespace content