Support stream textures with the synchronous compositor

webkit/common/gpu/webgraphicscontext3d_in_process_command_buffer_impl.h

Index: webkit/common/gpu/webgraphicscontext3d_in_process_command_buffer_impl.h
diff --git a/webkit/common/gpu/webgraphicscontext3d_in_process_command_buffer_impl.h b/webkit/common/gpu/webgraphicscontext3d_in_process_command_buffer_impl.h
index f96607d7dc3c4e3b724aea65049b200aeefab5cc..d763e14ff01cbf6a4cecdf19ce997cc189ca7cd5 100644
--- a/webkit/common/gpu/webgraphicscontext3d_in_process_command_buffer_impl.h
+++ b/webkit/common/gpu/webgraphicscontext3d_in_process_command_buffer_impl.h
@@ -468,6 +468,9 @@ class WEBKIT_GPU_EXPORT WebGraphicsContext3DInProcessCommandBufferImpl
   virtual void bindTexImage2DCHROMIUM(WGC3Denum target, WGC3Dint imageId);
   virtual void releaseTexImage2DCHROMIUM(WGC3Denum target, WGC3Dint imageId);
 
+  virtual WebGLId createStreamTextureCHROMIUM(WebGLId texture);
+  virtual void destroyStreamTextureCHROMIUM(WebGLId texture);
+
   virtual void texStorage2DEXT(
       WGC3Denum target, WGC3Dint levels, WGC3Duint internalformat,
       WGC3Dint width, WGC3Dint height);