Remove many things that depend on frog.

samples/pond/build_pond.sh

-#!/bin/bash
-#
-# Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
-# for details. All rights reserved. Use of this source code is governed by a
-# BSD-style license that can be found in the LICENSE file.
-#
-
-function frog_build {
-  local infile=$1;
-  local outfile="$infile.js";
-  local backup=".$file.old";
-  [ -f $outfile ] && cp $outfile $backup;
-  ../../frog/minfrog --out=$outfile --compile-only $infile
-  if [ -f $backup ]; then
-    if `diff $outfile $backup -q > /dev/null`; then
-      echo "  - $outfile remains unchanged ";
-    else
-      echo "  - $outfile was updated ";
-    fi;
-    rm $backup;
-  fi
-}
-
-# Rebuild pond and the compiler isolate using minfrog
-frog_build pond.dart
-frog_build compiler.dart
-
-# Build the editors module
-cat codemirror/lib/codemirror.js \
-    codemirror/mode/dart/dart.js \
-    codemirror/mode/htmlmixed/htmlmixed.js \
-    codemirror/mode/xml/xml.js \
-    codemirror/mode/javascript/javascript.js \
-    codemirror/mode/css/css.js \
-    codemirror/mode/diff/diff.js \
-    editors.js > editors_module.js