gpu: Add support for GLX_EXT_texture_from_pixmap extension.

webkit/gpu/webgraphicscontext3d_in_process_command_buffer_impl.h

Index: webkit/gpu/webgraphicscontext3d_in_process_command_buffer_impl.h
diff --git a/webkit/gpu/webgraphicscontext3d_in_process_command_buffer_impl.h b/webkit/gpu/webgraphicscontext3d_in_process_command_buffer_impl.h
index 6dd92aa2373bd20d957bc52d0f9b640c89aed24e..d4b0b3a09fbf8cb9c806f0d82814bd2df059ee85 100644
--- a/webkit/gpu/webgraphicscontext3d_in_process_command_buffer_impl.h
+++ b/webkit/gpu/webgraphicscontext3d_in_process_command_buffer_impl.h
@@ -461,6 +461,9 @@ class WebGraphicsContext3DInProcessCommandBufferImpl
       WGC3Denum target, WGC3Dint width, WGC3Dint height,
       WGC3Duint ioSurfaceId, WGC3Duint plane);
 
+  virtual void bindTexImage2DCHROMIUM(WGC3Denum target, WGC3Dint imageId);
+  virtual void releaseTexImage2DCHROMIUM(WGC3Denum target, WGC3Dint imageId);
+
   virtual void texStorage2DEXT(
       WGC3Denum target, WGC3Dint levels, WGC3Duint internalformat,
       WGC3Dint width, WGC3Dint height);