Gpu: Unregister channel name in the gpu process when a channel closes.

chrome/gpu/gpu_channel.cc

Index: chrome/gpu/gpu_channel.cc
diff --git a/chrome/gpu/gpu_channel.cc b/chrome/gpu/gpu_channel.cc
index d5525ed0d3230f920979a07ed1a991e1c6c8cefa..35b530ea93303d041b4a20dbd9040e3273651289 100644
--- a/chrome/gpu/gpu_channel.cc
+++ b/chrome/gpu/gpu_channel.cc
@@ -35,6 +35,8 @@ GpuChannel::GpuChannel(int renderer_id)
 
 GpuChannel::~GpuChannel() {
 #if defined(OS_POSIX)
+  IPC::RemoveAndCloseChannelSocket(GetChannelName());
+
   // If we still have the renderer FD, close it.
   if (renderer_fd_ != -1) {
     close(renderer_fd_);