Revert "Update all Angular libs (run update_all.sh)."

third_party/pkg/angular/scripts/generate-documentation.sh

 #!/bin/bash
 . $(dirname $0)/env.sh
 
-# Temporary change to delete the Build Status image markdown from the README (image md not supported by dartdoc-viewer)
-echo '******************************'
-echo '** GENERATING DOCUMENTATION **'
-echo '******************************'
-cp README.md README-orig.md
-cat README-orig.md | sed "1s/^AngularDart.*/AngularDart/" > README.md
-
-# Dart doc can not be run from the same directory as dartdoc-viewer
-# see: https://code.google.com/p/dart/issues/detail?id=17231
-
-( cd packages
-  echo "Generating documentation"
-  "$DART_DOCGEN" $DOC_OPTION $DOCDIR_OPTION \
-    --out ../docs \
-    --start-page=angular \
-    --exclude-lib=js,metadata,meta,mirrors,intl,number_symbols,number_symbol_data,intl_helpers,date_format_internal,date_symbols,angular.util \
-    --no-include-sdk \
-    --package-root=../packages \
-    angular/animate/module.dart \
-    angular/core/annotation.dart \
-    angular/core/module.dart \
-    angular/directive/module.dart \
-    angular/formatter/module.dart \
-    angular/routing/module.dart \
-    angular/mock/module.dart \
-    angular/perf/module.dart \
-    angular/application_factory.dart \
-    angular/application_factory_static.dart \
-    angular/application.dart \
-    angular/introspection.dart \
-    di/di.dart \
-    route_hierarchical/client.dart \
-)
-
-# Revert the temp copy of the README.md file
-rm README.md
-mv README-orig.md README.md
-
-DOCVIEWER_DIR="dartdoc-viewer";
-if [[ $1 == update ]]; then
-  rm -rf $DOCVIEWER_DIR/client/build/web/docs/
-  mv docs $DOCVIEWER_DIR/client/build/web/docs
-  exit;
+# Temporary during transition period from use of dartdoc to docgen.
+if [ -x "$DART_DOCGEN" ]; then
+    DOC_CMD="$DART_DOCGEN"
+    MODE_OPTION=
+elif [ -x "$DARTDOC" ]; then
+    DOC_CMD="$DARTDOC"
+    MODE_OPTION="--mode=static"
 fi
 
-echo '--------------------------'
-echo '-- DOCS: dartdoc-viewer --'
-echo '--------------------------'
-if [ ! -d "$DOCVIEWER_DIR" ]; then
-   git clone https://github.com/angular/dartdoc-viewer.git -b angular-skin $DOCVIEWER_DIR
-else
-   (cd $DOCVIEWER_DIR; git pull origin angular-skin)
-fi;
-
-# Create a version file from the current build version
-doc_version=`head CHANGELOG.md | awk 'NR==2' | sed 's/^# //'`
-dartsdk_version=`cat $DARTSDK/version`
-head_sha=`git rev-parse --short HEAD`
-
-echo $doc_version at $head_sha \(with Dart SDK $dartsdk_version\) > docs/VERSION
-
-rm -rf $DOCVIEWER_DIR/client/web/docs/
-mv docs/ $DOCVIEWER_DIR/client/web/docs/
-echo '---------------------'
-echo '-- DOCS: pub build --'
-echo '---------------------'
-(cd $DOCVIEWER_DIR/client; pub build)
+echo "Generating documentation using $DOC_CMD"
+"$DOC_CMD" $MODE_OPTION \
+    --package-root=packages/ \
+    --out doc \
+    --exclude-lib=js,metadata,meta,mirrors,intl,number_symbols,number_symbol_data,intl_helpers,date_format_internal,date_symbols,angular.util \
+    packages/angular/angular.dart lib/mock/module.dart