Adding Angular and dependent packages for testing

third_party/pkg/angular/karma-snapshot.sh

Index: third_party/pkg/angular/karma-snapshot.sh
diff --git a/third_party/pkg/angular/karma-snapshot.sh b/third_party/pkg/angular/karma-snapshot.sh
new file mode 100755
index 0000000000000000000000000000000000000000..c2dcab87787ac6c9886bd05566e813a6b0913c29
--- /dev/null
+++ b/third_party/pkg/angular/karma-snapshot.sh
@@ -0,0 +1,20 @@
+#!/bin/sh
+
+rm -rf ../karma-snapshot
+mkdir ../karma-snapshot
+cd ../karma-snapshot
+
+URL=http://localhost:8765
+FILES=$(curl $URL/debug.html --silent | grep \'/base | cut -f2 -d \')
+
+for FILE in $FILES
+do
+  echo $FILE
+  curl $URL$FILE --output .$FILE --create-dirs --silent
+done
+
+echo ================
+
+
+curl $URL/debug.html --silent | sed -e 's/\/base/\.\/base/' > debug.html
+curl $URL/base/__adapter_dart_unittest.dart --silent | sed -e 's/\/base/\./' > base/__adapter_dart_unittest.dart