MJPEG acceleration for video capture using VAAPI, the GPU and IPC part

content/common/gpu/client/gpu_channel_host.h

Index: content/common/gpu/client/gpu_channel_host.h
diff --git a/content/common/gpu/client/gpu_channel_host.h b/content/common/gpu/client/gpu_channel_host.h
index 4ec2e06d2bdad744da832c4d4f674128192835ca..caf7beba7c76fb863166af645375195f1ee2e495 100644
--- a/content/common/gpu/client/gpu_channel_host.h
+++ b/content/common/gpu/client/gpu_channel_host.h
@@ -43,6 +43,7 @@ class SyncMessageFilter;
 }
 
 namespace media {
+class JpegDecodeAccelerator;
 class VideoDecodeAccelerator;
 class VideoEncodeAccelerator;
 }
@@ -54,6 +55,7 @@ class GpuMemoryBufferManager;
 namespace content {
 class CommandBufferProxyImpl;
 class GpuChannelHost;
+class GpuJpegDecodeAcceleratorHost;
 
 struct GpuListenerInfo {
   GpuListenerInfo();
@@ -147,6 +149,9 @@ class GpuChannelHost : public IPC::Sender,
   scoped_ptr<media::VideoEncodeAccelerator> CreateVideoEncoder(
       int command_buffer_route_id);
 
+  // Creates a JPEG decoder in the GPU process.
+  scoped_ptr<media::JpegDecodeAccelerator> CreateJpegDecoder();
+
   // Destroy a command buffer created by this channel.
   void DestroyCommandBuffer(CommandBufferProxyImpl* command_buffer);