Add in support for using .evt in make_expected.sh

BUG=pdfium:1024

Change-Id: If7e00eb4f6ebf6499be20e88bfc9b2ac35f2d797
Reviewed-on: https://pdfium-review.googlesource.com/39390
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
Commit-Queue: Ryan Harrison <rharrison@chromium.org>

testing/tools/make_expected.sh

diff --git a/testing/tools/make_expected.sh b/testing/tools/make_expected.sh
index 793c3f5..a70df79 100755
--- a/testing/tools/make_expected.sh
+++ b/testing/tools/make_expected.sh
@@ -13,14 +13,19 @@
 while (( "$#" )); do
   INFILE="$1"
   echo $INFILE | grep -qs ' ' && echo space in filename detected && exit 1
-  out/Debug/pdfium_test --png $INFILE
+  EVTFILE="${INFILE%.*}.evt"
+  if [ -f "$EVTFILE" ]; then
+    out/Debug/pdfium_test --send-events --png $INFILE
+  else
+    out/Debug/pdfium_test --png $INFILE
+  fi
   RESULTS="$INFILE.*.png"
   for RESULT in $RESULTS ; do
-      EXPECTED=`echo -n $RESULT | sed 's/[.]pdf[.]/_expected.pdf./'`
-      mv $RESULT $EXPECTED
-      if [ -n "$PNGOPTIMIZER" ]; then
-        "$PNGOPTIMIZER" $EXPECTED
-      fi
+    EXPECTED=`echo -n $RESULT | sed 's/[.]pdf[.]/_expected.pdf./'`
+    mv $RESULT $EXPECTED
+    if [ -n "$PNGOPTIMIZER" ]; then
+      "$PNGOPTIMIZER" $EXPECTED
+    fi
   done
   shift
 done