FeatureInfo: Remove allowed_extensions and init workarounds early

content/common/gpu/client/gpu_channel_host.h

 // 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.
 
 #ifndef CONTENT_COMMON_GPU_CLIENT_GPU_CHANNEL_HOST_H_
 #define CONTENT_COMMON_GPU_CLIENT_GPU_CHANNEL_HOST_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 91 matching lines @@
   // The GPU stats reported by the GPU process.
   const gpu::GPUInfo& gpu_info() const { return gpu_info_; }
 
   // IPC::Sender implementation:
   virtual bool Send(IPC::Message* msg) OVERRIDE;
 
   // Create and connect to a command buffer in the GPU process.
   CommandBufferProxyImpl* CreateViewCommandBuffer(
       int32 surface_id,
       CommandBufferProxyImpl* share_group,
-      const std::string& allowed_extensions,
       const std::vector<int32>& attribs,
       const GURL& active_url,
       gfx::GpuPreference gpu_preference);
 
   // Create and connect to a command buffer in the GPU process.
   CommandBufferProxyImpl* CreateOffscreenCommandBuffer(
       const gfx::Size& size,
       CommandBufferProxyImpl* share_group,
-      const std::string& allowed_extensions,
       const std::vector<int32>& attribs,
       const GURL& active_url,
       gfx::GpuPreference gpu_preference);
 
   // Creates a video decoder in the GPU process.
   scoped_ptr<media::VideoDecodeAccelerator> CreateVideoDecoder(
       int command_buffer_route_id,
       media::VideoCodecProfile profile,
       media::VideoDecodeAccelerator::Client* client);
 
@@ skipping 119 matching lines @@
   // Used to look up a proxy from its routing id.
   typedef base::hash_map<int, CommandBufferProxyImpl*> ProxyMap;
   ProxyMap proxies_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuChannelHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_CLIENT_GPU_CHANNEL_HOST_H_