Revert 132218 - Convert plugin and GPU process to brokered handle duplication.

content/common/gpu/client/gpu_channel_host.cc

Index: content/common/gpu/client/gpu_channel_host.cc
===================================================================
--- content/common/gpu/client/gpu_channel_host.cc	(revision 132251)
+++ content/common/gpu/client/gpu_channel_host.cc	(working copy)
@@ -93,10 +93,10 @@
 }
 
 GpuChannelHost::GpuChannelHost(
-    GpuChannelHostFactory* factory, int gpu_host_id, int client_id)
+    GpuChannelHostFactory* factory, int gpu_process_id, int client_id)
     : factory_(factory),
+      gpu_process_id_(gpu_process_id),
       client_id_(client_id),
-      gpu_host_id_(gpu_host_id),
       state_(kUnconnected) {
 }
 
@@ -104,7 +104,8 @@
 }
 
 void GpuChannelHost::Connect(
-    const IPC::ChannelHandle& channel_handle) {
+    const IPC::ChannelHandle& channel_handle,
+    base::ProcessHandle client_process_for_gpu) {
   DCHECK(factory_->IsMainThread());
   // Open a channel to the GPU process. We pass NULL as the main listener here
   // since we need to filter everything to route it to the right thread.
@@ -129,6 +130,10 @@
   // and receives the hello message from the GPU process. The messages get
   // cached.
   state_ = kConnected;
+
+  // Notify the GPU process of our process handle. This gives it the ability
+  // to map client handles into the GPU process.
+  Send(new GpuChannelMsg_Initialize(client_process_for_gpu));
 }
 
 void GpuChannelHost::set_gpu_info(const content::GPUInfo& gpu_info) {