Remove many things that depend on frog.

samples/pond/pond.css

Index: samples/pond/pond.css
===================================================================
--- samples/pond/pond.css	(revision 6866)
+++ samples/pond/pond.css	(working copy)
@@ -1,119 +0,0 @@
-/* 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. */
-
-.CodeMirror, .CodeMirror-scroll {
-  margin: 0px;
-  height:100%;
-}
-
-body,
-html {
-  margin:0;
-  padding:0;
-}
-
-.main {
-  width:100%;
-  height:100%;
-}
-
-.left-pane,
-.right-pane {
-  width:100%;
-  height:100%;
-  margin:0 auto;
-  border:1px solid #aaa;
-  border-top:0px;
-}
-.right-pane {
-  border-left:0px;
-}
-
-.editor {
-  height:475px;
-  overflow: auto;
-}
-
-.output {
-  height:475px;
-  overflow: auto;
-}
-
-.hidden {
-  display: none;
-}
-
-.tabs {
-  list-style-type: none;
-  padding: 0;
-  margin: 0;
-  border-bottom: 1px solid #aaa;
-}
-
-.tab {
-  display:inline-block;
-  padding:5px 15px;
-  margin:0px;
-  background-color: #eee;
-  color: black;
-  border: 0px;
-  border-right: 1px solid #aaa;
-  font-weight: bold;
-}
-
-.tab-selected {
-  background-color: #aaa;
-  color:black;
-}
-
-.console {
-  background-color: #555;
-  color: white;
-  text-decoration: bold;
-  margin: 0px;
-  font-weight: bold;
-  font-family: monospace;
-  width: 100%;
-}
-
-.console-line {
-  margin: 0px;
-  padding: 2px;
-  display: block;
-}
-
-#results {
-  overflow-y: scroll;
-}
-
-#resultFrame {
-  border: 0px;
-}
-
-.compile_error {
-  background: #c55;
-  text-decoration: underline red;
-}
-
-.compile_warning {
-  background: orange;
-}
-
-.hbox, .vbox  {
-  display: -webkit-box;
-  -webkit-box-align: stretch;
-}
-
-.vbox > *,
-.hbox > * {
-    -webkit-box-flex: 1;
-}
-
-.vbox {
-    -webkit-box-orient: vertical;
-}
-
-.hbox {
-    -moz-box-orient: horizontal;
-}