Fixed bugs in GPU process startup on POSIX platforms. Added...

chrome/gpu/gpu_channel.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/gpu/gpu_channel.h"
 
 #include "base/command_line.h"
 #include "base/lock.h"
 #include "base/process_util.h"
 #include "base/string_util.h"
@@ skipping 159 matching lines @@
 #if defined(ENABLE_GPU)
   StubMap::iterator it = stubs_.find(route_id);
   DCHECK(it != stubs_.end());
   stubs_.erase(it);
   router_.RemoveRoute(route_id);
 #endif
 }
 
 bool GpuChannel::Init(const std::string& channel_name) {
   channel_name_ = channel_name;
+#if defined(OS_POSIX)
+  // This gets called when the GpuChannel is initially created. At this
+  // point, create the socketpair and assign the GPU side FD to the channel
+  // name. Keep the renderer side FD as a member variable in the PluginChannel
+  // to be able to transmit it through IPC.
+  int gpu_fd;
+  IPC::SocketPair(&gpu_fd, &renderer_fd_);
+  IPC::AddChannelSocket(channel_name, gpu_fd);
+#endif
   channel_.reset(new IPC::SyncChannel(
       channel_name, IPC::Channel::MODE_SERVER, this, NULL,
       ChildProcess::current()->io_message_loop(), false,
       ChildProcess::current()->GetShutDownEvent()));
   return true;
 }