Tidy up in Polymer directory.

third_party/polymer/v1_0/reproduce.sh

Index: third_party/polymer/v1_0/reproduce.sh
diff --git a/third_party/polymer/v1_0/reproduce.sh b/third_party/polymer/v1_0/reproduce.sh
index ef74fd8f8e040aa01d09396aa2b5125f8ea35680..b52aba5cda60df7a5f239dd3ab3a89ee07eb6b77 100755
--- a/third_party/polymer/v1_0/reproduce.sh
+++ b/third_party/polymer/v1_0/reproduce.sh
@@ -6,8 +6,8 @@
 
 # Reproduces the content of 'components' and 'components-chromium' using the
 # list of dependencies from 'bower.json'. Downloads needed packages and makes
-# Chromium specific modifications. To launch the script you need 'bower',
-# 'crisper', and 'vulcanize' installed on your system.
+# Chromium specific modifications. To launch the script you need 'bower' and
+# 'crisper' installed on your system.
 
 set -e
 
@@ -61,7 +61,7 @@ sed -i 's/['"$NBSP"']/\\u00A0/g' components/polymer/polymer-mini.html
 patch -p1 < chromium.patch
 
 new=$(git status --porcelain components-chromium | grep '^??' | \
-      cut -d' ' -f2 | egrep '\.(html|js|css)$')
+      cut -d' ' -f2 | egrep '\.(html|js|css)$' || true)
 
 if [[ ! -z "${new}" ]]; then
   echo
@@ -70,7 +70,7 @@ if [[ ! -z "${new}" ]]; then
 fi
 
 deleted=$(git status --porcelain components-chromium | grep '^.D' | \
-          sed 's/^.//' | cut -d' ' -f2 | egrep '\.(html|js|css)$')
+          sed 's/^.//' | cut -d' ' -f2 | egrep '\.(html|js|css)$' || true)
 
 if [[ ! -z "${deleted}" ]]; then
   echo
@@ -81,3 +81,5 @@ fi
 if [[ ! -z "${new}${deleted}" ]]; then
   echo
 fi
+
+python create_components_summary.py > components_summary.txt