Allow switching DirectCompositionSurfaceWin between drawing modes.

gpu/command_buffer/service/gles2_cmd_decoder_autogen.h

Index: gpu/command_buffer/service/gles2_cmd_decoder_autogen.h
diff --git a/gpu/command_buffer/service/gles2_cmd_decoder_autogen.h b/gpu/command_buffer/service/gles2_cmd_decoder_autogen.h
index e4b62da191f9b41a1fefd94f59f58e609ebc6f30..b0e70227c5f5b4e7551c2e63965e55046d8546a8 100644
--- a/gpu/command_buffer/service/gles2_cmd_decoder_autogen.h
+++ b/gpu/command_buffer/service/gles2_cmd_decoder_autogen.h
@@ -5172,6 +5172,17 @@ error::Error GLES2DecoderImpl::HandleSetDrawRectangleCHROMIUM(
   return error::kNoError;
 }
 
+error::Error GLES2DecoderImpl::HandleSetEnableDCLayersCHROMIUM(
+    uint32_t immediate_data_size,
+    const volatile void* cmd_data) {
+  const volatile gles2::cmds::SetEnableDCLayersCHROMIUM& c =
+      *static_cast<const volatile gles2::cmds::SetEnableDCLayersCHROMIUM*>(
+          cmd_data);
+  GLboolean enabled = static_cast<GLboolean>(c.enabled);
+  DoSetEnableDCLayersCHROMIUM(enabled);
+  return error::kNoError;
+}
+
 bool GLES2DecoderImpl::SetCapabilityState(GLenum cap, bool enabled) {
   switch (cap) {
     case GL_BLEND: