gpu: Refactor GpuMemoryBuffer framework for multi-process support.

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 447 matching lines @@
       g_all_shared_contexts.Pointer()->empty() ?
           NULL : *g_all_shared_contexts.Pointer()->begin();
 
   // Create the object exposing the OpenGL API.
   real_gl_.reset(new gpu::gles2::GLES2Implementation(
       gles2_helper_.get(),
       share_group_context ?
           share_group_context->GetImplementation()->share_group() : NULL,
       transfer_buffer_.get(),
       attributes_.shareResources,
-      bind_generates_resources_,
-      NULL));
+      bind_generates_resources_));
   gl_ = real_gl_.get();
 
   if (!real_gl_->Initialize(
       start_transfer_buffer_size_,
       min_transfer_buffer_size_,
       max_transfer_buffer_size_)) {
     return false;
   }
 
   if (CommandLine::ForCurrentProcess()->HasSwitch(
@@ skipping 1098 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);
   }
 }
 
 }  // namespace content