Revert 147328 - Current status of patch:

gpu/gles2_conform_support/egl/display.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 "gpu/gles2_conform_support/egl/display.h"
 
 #include <vector>
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "gpu/command_buffer/client/gles2_lib.h"
@@ skipping 75 matching lines @@
   {
     gpu::TransferBufferManager* manager = new gpu::TransferBufferManager();
     transfer_buffer_manager_.reset(manager);
     manager->Initialize();
   }
   scoped_ptr<gpu::CommandBufferService> command_buffer(
       new gpu::CommandBufferService(transfer_buffer_manager_.get()));
   if (!command_buffer->Initialize())
     return NULL;
 
-  gpu::gles2::ContextGroup::Ref group(new gpu::gles2::ContextGroup(NULL,
-                                                                   true,
-                                                                   NULL));
+  gpu::gles2::ContextGroup::Ref group(new gpu::gles2::ContextGroup(NULL, true));
 
   decoder_.reset(gpu::gles2::GLES2Decoder::Create(group.get()));
   if (!decoder_.get())
     return EGL_NO_SURFACE;
 
   gpu_scheduler_.reset(new gpu::GpuScheduler(command_buffer.get(),
                                              decoder_.get(),
                                              NULL));
 
   decoder_->set_engine(gpu_scheduler_.get());
@@ skipping 108 matching lines @@
   } else {
     DCHECK(IsValidSurface(draw));
     DCHECK(IsValidSurface(read));
     DCHECK(IsValidContext(ctx));
     gles2::SetGLContext(context_.get());
   }
   return true;
 }
 
 }  // namespace egl