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

gpu/command_buffer/client/cmd_buffer_helper.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.
 
 // This file contains the implementation of the command buffer helper class.
 
 #include "gpu/command_buffer/client/cmd_buffer_helper.h"
 #include "gpu/command_buffer/common/command_buffer.h"
 
 namespace gpu {
 
-using gpu::CommandBuffer;
-
 CommandBufferHelper::CommandBufferHelper(CommandBuffer* command_buffer)
     : command_buffer_(command_buffer),
       entries_(NULL),
       entry_count_(0),
       token_(0),
       last_token_read_(-1),
       get_(0),
       put_(0) {
 }
 
 bool CommandBufferHelper::Initialize() {
   ring_buffer_ = command_buffer_->GetRingBuffer();
-  if (!ring_buffer_)
+  if (!ring_buffer_.ptr)
     return false;
 
-  // Map the ring buffer into this process.
-  if (!ring_buffer_->Map(ring_buffer_->max_size()))
-    return false;
-
-  entries_ = static_cast<CommandBufferEntry*>(ring_buffer_->memory());
+  entries_ = static_cast<CommandBufferEntry*>(ring_buffer_.ptr);
   entry_count_ = command_buffer_->GetSize();
   get_ = command_buffer_->GetGetOffset();
   put_ = command_buffer_->GetPutOffset();
   last_token_read_ = command_buffer_->GetToken();
 
   return true;
 }
 
 CommandBufferHelper::~CommandBufferHelper() {
 }
@@ skipping 110 matching lines @@
   put_ += entries;
   return space;
 }
 
 parse_error::ParseError CommandBufferHelper::GetParseError() {
   int32 parse_error = command_buffer_->ResetParseError();
   return static_cast<parse_error::ParseError>(parse_error);
 }
 
 }  // namespace gpu