new test.

new test.

* xpdf/tests/test-pdf-loading.cc: new test.

* xpdf/tests/Makefile.am (TESTS_NEEDING_PDFTEX): add
test-pdf-loading.

* xpdf/Makefile.am (libgpdf_a_SOURCES): move more files to the lib.

* xpdf/gpdf-persist-stream.cc (gpdf_persist_stream_get_length):
kill.
(gpdf_persist_stream_delete_doc_and_stream): rename from
delete_pdf_doc_full, simplify.
(load_pdf_from_stream): make priv->pdf_stream local to this method,
kill redundant test for catalog.

* xpdf/gpdf-persist-stream.h (gpdf_persist_stream_get_length):
kill.

* xpdf/gpdf-control.cc (verb_FileProperties_cb): remove file size
argument.

* xpdf/nautilus-pdf-property-page.cc
(gpdf_nautilus_property_page_set_uri): ditto.

* xpdf/pdf-info-dict-util.cc (pdf_doc_process_properties): kill
file size parameter.

* xpdf/pdf-info-dict-util.h: ditto.

* xpdf/pdf-properties-display.c: kill traces of the file size
label.