Added Pepper 3D render context that instantiates the GPU plugin....

chrome/plugin/webplugin_delegate_stub.cc

 // Copyright (c) 2009 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/plugin/webplugin_delegate_stub.h"
 
 #include "build/build_config.h"
 
 #include "base/command_line.h"
 #include "chrome/common/child_process_logging.h"
@@ skipping 351 matching lines @@
 
 void WebPluginDelegateStub::OnCreateCommandBuffer(int* route_id) {
 #if defined(ENABLE_GPU)
   command_buffer_stub_.reset(new CommandBufferStub(
       static_cast<PluginChannel*>(PluginChannelBase::GetCurrentChannel()),
       delegate_->windowed_handle()));
 
   *route_id = command_buffer_stub_->route_id();
 #else
   *route_id = 0;
-#endif
+#endif  // ENABLE_GPU
 }
 
 void WebPluginDelegateStub::CreateSharedBuffer(
     size_t size,
     base::SharedMemory* shared_buf,
     base::SharedMemoryHandle* remote_handle) {
   if (!shared_buf->Create(std::wstring(), false, false, size)) {
     NOTREACHED();
     return;
   }
@@ skipping 22 matching lines @@
 
 void WebPluginDelegateStub::OnHandleURLRequestReply(
     const PluginMsg_URLRequestReply_Params& params) {
   WebPluginResourceClient* resource_client =
       delegate_->CreateResourceClient(params.resource_id, params.url,
                                       params.notify_needed,
                                       params.notify_data,
                                       params.stream);
   webplugin_->OnResourceCreated(params.resource_id, resource_client);
 }