Convert plugin and GPU process to brokered handle duplication.

content/common/gpu/client/webgraphicscontext3d_command_buffer_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/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h"
 
 #include "third_party/khronos/GLES2/gl2.h"
 #ifndef GL_GLEXT_PROTOTYPES
 #define GL_GLEXT_PROTOTYPES 1
 #endif
@@ skipping 465 matching lines @@
   gles2_helper_ = NULL;
 
   if (host_ && command_buffer_) {
     host_->DestroyCommandBuffer(command_buffer_);
     command_buffer_ = NULL;
   }
 
   host_ = NULL;
 }
 
+// TODO(apatrick,piman): This should be renamed to something clearer.
 int WebGraphicsContext3DCommandBufferImpl::GetGPUProcessID() {
-  return host_ ? host_->gpu_process_id() : 0;
+  return host_ ? host_->gpu_host_id() : 0;
 }
 
 int WebGraphicsContext3DCommandBufferImpl::GetChannelID() {
   return host_ ? host_->client_id() : 0;
 }
 
 int WebGraphicsContext3DCommandBufferImpl::GetContextID() {
   return command_buffer_->GetRouteID();
 }
 
@@ skipping 1011 matching lines @@
 }
 
 void WebGraphicsContext3DCommandBufferImpl::OnErrorMessage(
     const std::string& message, int id) {
   if (error_message_callback_) {
     WebKit::WebString str = WebKit::WebString::fromUTF8(message.c_str());
     error_message_callback_->onErrorMessage(str, id);
   }
 }