Revert of Remove enable_topchrome_md build flag

chrome/installer/linux/common/installer.include

 # Recursively replace @@include@@ template variables with the referenced file,
 # and write the resulting text to stdout.
 process_template_includes() {
   INCSTACK+="$1->"
   # Includes are relative to the file that does the include.
   INCDIR=$(dirname $1)
   # Clear IFS so 'read' doesn't trim whitespace
   local OLDIFS="$IFS"
   IFS=''
   while read -r LINE
@@ skipping 111 matching lines @@
 
   # resources
   install -m 644 "${BUILDDIR}/resources.pak" "${STAGEDIR}/${INSTALLDIR}/"
   # TODO(mmoss): This has broken a couple times on adding new .pak files. Maybe
   # we should flag all installer files in FILES.cfg and get them from there, so
   # there's only one place people need to keep track of such things (and in
   # only the public repository).
   if [ -r "${BUILDDIR}/chrome_100_percent.pak" ]; then
     install -m 644 "${BUILDDIR}/chrome_100_percent.pak" "${STAGEDIR}/${INSTALLDIR}/"
     install -m 644 "${BUILDDIR}/chrome_200_percent.pak" "${STAGEDIR}/${INSTALLDIR}/"
+    install -m 644 "${BUILDDIR}/chrome_material_100_percent.pak" "${STAGEDIR}/${INSTALLDIR}/"
+    install -m 644 "${BUILDDIR}/chrome_material_200_percent.pak" "${STAGEDIR}/${INSTALLDIR}/"
   else
     install -m 644 "${BUILDDIR}/theme_resources_100_percent.pak" "${STAGEDIR}/${INSTALLDIR}/"
     install -m 644 "${BUILDDIR}/ui_resources_100_percent.pak" "${STAGEDIR}/${INSTALLDIR}/"
   fi
 
   # ICU data file; only necessary when icu_use_data_file_flag is set to 1
   # in build/common.gypi.
   install -m 644 "${BUILDDIR}/icudtl.dat" "${STAGEDIR}/${INSTALLDIR}/"
 
   # V8 snapshot files; only necessary when v8_use_external_startup_data is
@@ skipping 102 matching lines @@
     "${STAGEDIR}/usr/share/gnome-control-center/default-apps/${PACKAGE}.xml"
   chmod 644 "${STAGEDIR}/usr/share/gnome-control-center/default-apps/${PACKAGE}.xml"
   process_template "${BUILDDIR}/installer/common/default-app-block.template" \
     "${STAGEDIR}${INSTALLDIR}/default-app-block"
   chmod 644 "${STAGEDIR}${INSTALLDIR}/default-app-block"
 
   # documentation
   install -m 755 "${BUILDDIR}/${PROGNAME}.1" \
     "${STAGEDIR}/usr/share/man/man1/${PACKAGE}.1"
 }