Remove Chromium's custom closure runner.

third_party/closure_compiler/build_and_run_tests

-#!/bin/bash
-# Copyright 2014 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-#
-# Downloads and compiles necessary dependencies (closure compiler, junit) and
-# builds and runs Java-specific JUnit tests.
-
-readonly SCRIPT_DIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
-readonly TEMP_DIR=$(mktemp -d)
-
-cleanup() {
-  rm -rf "${TEMP_DIR}"
-  rm -rf ${SCRIPT_DIR}/runner/*/com/google/javascript/jscomp/*.class
-}
-
-die_earlier() {
-  cleanup
-  exit 1
-}
-
-trap die_earlier SIGINT SIGHUP SIGTERM
-
-cd "${TEMP_DIR}"
-echo "Cloning Closure Compiler repo"
-git clone https://github.com/google/closure-compiler.git || die_earlier
-
-cd closure-compiler
-echo "Building Closure Compiler"
-ant all-classes-jar || die_earlier
-
-readonly classpath=".:./runner/test:./runner/src:\
-${TEMP_DIR}/closure-compiler/build/compiler.jar:\
-${TEMP_DIR}/closure-compiler/build/classes:\
-${TEMP_DIR}/closure-compiler/lib/junit.jar"
-
-cd "${SCRIPT_DIR}"
-
-echo "Compiling tests"
-javac -classpath "${classpath}" \
-    runner/test/com/google/javascript/jscomp/ChromePassTest.java || die_earlier
-
-echo "Running tests"
-java -classpath "${classpath}" org.junit.runner.JUnitCore \
-    com.google.javascript.jscomp.ChromePassTest || die_earlier
-
-echo "Cleaning up"
-cleanup