Attach flag to use virtual context for WebGraphicsContext3D

content/renderer/pepper/pepper_platform_context_3d_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/renderer/pepper/pepper_platform_context_3d_impl.h"
 
 #include "base/bind.h"
 #include "content/common/gpu/client/context_provider_command_buffer.h"
 #include "content/common/gpu/client/gpu_channel_host.h"
 #include "content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h"
@@ skipping 85 matching lines @@
         static_cast<PlatformContext3DImpl*>(share_context);
     share_buffer = share_impl->command_buffer_;
   }
 
   command_buffer_ = channel_->CreateOffscreenCommandBuffer(
       surface_size,
       share_buffer,
       "*",
       attribs,
       GURL::EmptyGURL(),
+      false,
       gpu_preference);
   if (!command_buffer_)
     return false;
 
   command_buffer_->SetChannelErrorCallback(
       base::Bind(&PlatformContext3DImpl::OnContextLost,
                  weak_ptr_factory_.GetWeakPtr()));
   command_buffer_->SetOnConsoleMessageCallback(
       base::Bind(&PlatformContext3DImpl::OnConsoleMessage,
                  weak_ptr_factory_.GetWeakPtr()));
@@ skipping 93 matching lines @@
 void PlatformContext3DImpl::OnConsoleMessage(const std::string& msg, int id) {
   DCHECK(command_buffer_);
 
   if (!console_message_callback_.is_null())
     console_message_callback_.Run(msg, id);
 }
 
 }  // namespace content
 
 #endif  // ENABLE_GPU