Connect up --disable-gl-multisampling to command buffer

chrome/gpu/gpu_command_buffer_stub.h

 // Copyright (c) 2010 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.
 
 #ifndef CHROME_GPU_GPU_COMMAND_BUFFER_STUB_H_
 #define CHROME_GPU_GPU_COMMAND_BUFFER_STUB_H_
 #pragma once
 
 #if defined(ENABLE_GPU)
 
@@ skipping 13 matching lines @@
 
 class GpuCommandBufferStub
     : public IPC::Channel::Listener,
       public IPC::Message::Sender,
       public base::SupportsWeakPtr<GpuCommandBufferStub> {
  public:
   GpuCommandBufferStub(GpuChannel* channel,
                        gfx::PluginWindowHandle handle,
                        GpuCommandBufferStub* parent,
                        const gfx::Size& size,
+                       const gpu::gles2::DisallowedExtensions& disallowed,
                        const std::string& allowed_extensions,
                        const std::vector<int32>& attribs,
                        uint32 parent_texture_id,
                        int32 route_id,
                        int32 renderer_id,
                        int32 render_view_id);
 
   virtual ~GpuCommandBufferStub();
 
   // IPC::Channel::Listener implementation:
@@ skipping 55 matching lines @@
   void ResizeCallback(gfx::Size size);
 
   // The lifetime of objects of this class is managed by a GpuChannel. The
   // GpuChannels destroy all the GpuCommandBufferStubs that they own when they
   // are destroyed. So a raw pointer is safe.
   GpuChannel* channel_;
 
   gfx::PluginWindowHandle handle_;
   base::WeakPtr<GpuCommandBufferStub> parent_;
   gfx::Size initial_size_;
+  gpu::gles2::DisallowedExtensions disallowed_extensions_;
   std::string allowed_extensions_;
   std::vector<int32> requested_attribs_;
   uint32 parent_texture_id_;
   int32 route_id_;
 
 #if defined(OS_WIN)
   HWND compositor_window_;
 #endif  // defined(OS_WIN)
 
   // The following two fields are used on Mac OS X to identify the window
   // for the rendering results on the browser side.
   int32 renderer_id_;
   int32 render_view_id_;
 
   scoped_ptr<gpu::CommandBufferService> command_buffer_;
   scoped_ptr<gpu::GPUProcessor> processor_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuCommandBufferStub);
 };
 
 #endif  // defined(ENABLE_GPU)
 
 #endif  // CHROME_GPU_GPU_COMMAND_BUFFER_STUB_H_