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

content/browser/gpu_process_host.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 CONTENT_BROWSER_GPU_PROCESS_HOST_H_
 #define CONTENT_BROWSER_GPU_PROCESS_HOST_H_
 #pragma once
 
 #include "base/threading/non_thread_safe.h"
+#include "chrome/common/gpu_feature_flags.h"
 #include "content/browser/browser_child_process_host.h"
 
 namespace IPC {
 class Message;
 }
 
 class GpuProcessHost : public BrowserChildProcessHost,
                        public base::NonThreadSafe {
  public:
 
   // Create a GpuProcessHost with the given ID. The object can be found using
   // FromID with the same id.
-  static GpuProcessHost* Create(int host_id);
+  static GpuProcessHost* Create(
+      int host_id,
+      const GpuFeatureFlags& gpu_feature_flags);
 
   // Get the GPU process host for the GPU process with the given ID. Returns
   // null if the process no longer exists.
   static GpuProcessHost* FromID(int host_id);
 
   virtual bool Send(IPC::Message* msg);
 
   // IPC::Channel::Listener implementation.
   virtual bool OnMessageReceived(const IPC::Message& message);
 
  private:
-  explicit GpuProcessHost(int host_id);
+  explicit GpuProcessHost(
+      int host_id,
+      const GpuFeatureFlags& gpu_feature_flags);
   virtual ~GpuProcessHost();
   bool Init();
 
   // Post an IPC message to the UI shim's message handler on the UI thread.
   void RouteOnUIThread(const IPC::Message& message);
 
   virtual bool CanShutdown();
   virtual void OnProcessLaunched();
   virtual void OnChildDied();
   virtual void OnProcessCrashed(int exit_code);
 
   bool CanLaunchGpuProcess() const;
   bool LaunchGpuProcess();
 
   // The serial number of the GpuProcessHost / GpuProcessHostUIShim pair.
   int host_id_;
 
+  GpuFeatureFlags gpu_feature_flags_;
+
   DISALLOW_COPY_AND_ASSIGN(GpuProcessHost);
 };
 
 #endif  // CONTENT_BROWSER_GPU_PROCESS_HOST_H_