Split GpuProcessHost into GpuProcessHostUIShim, which runs on the UI...

chrome/renderer/gpu_channel_host.cc

 // Copyright (c) 2010 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 "chrome/renderer/gpu_channel_host.h"
 
 #include "chrome/common/child_process.h"
 #include "chrome/common/gpu_messages.h"
 #include "chrome/renderer/command_buffer_proxy.h"
 
@@ skipping 26 matching lines @@
   state_ = LOST;
 
   // Channel is invalid and will be reinitialized if this host is requested
   // again.
   channel_.reset();
 
   // Inform all the proxies that an error has occured. This will be reported via
   // OpenGL as a lost context.
   for (ProxyMap::iterator iter = proxies_.begin();
        iter != proxies_.end(); iter++) {
-    proxies_.erase(iter->first);
     router_.RemoveRoute(iter->first);
     iter->second->OnChannelError();
   }
 
   // The proxies are reference counted so this will not result in their
   // destruction if the client still holds a reference. The proxy will report
   // a lost context, indicating to the client that it needs to be recreated.
   proxies_.clear();
 }
 
@@ skipping 64 matching lines @@
   int route_id = command_buffer->route_id();
   if (proxies_.find(command_buffer->route_id()) != proxies_.end()) {
     proxies_.erase(route_id);
     router_.RemoveRoute(route_id);
   }
 
   delete command_buffer;
 #endif
 }