bring in download-chrome.sh

.appveyor.yml

@@ -22,7 +22,7 @@ install:
 before_test:
   - set "PATH=C:\MinGW\msys\1.0\bin;%PATH%"
   - set "LIGHTHOUSE_CHROMIUM_PATH=%CD%\chrome-win32\chrome.exe"
-  - bash ./lighthouse-core/scripts/download-chrome.sh
+  - bash ./scripts/download-chrome.sh
   - yarn build
 
 test_script:

README.md

@@ -1,8 +1,9 @@
-# Chrome Launcher [![NPM chrome-launcher package](https://img.shields.io/npm/v/chrome-launcher.svg)](https://npmjs.org/package/chrome-launcher)
+# Chrome Launcher [![Linux Build Status](https://img.shields.io/travis/GoogleChrome/chrome-launcher/master.svg)](https://travis-ci.org/GoogleChrome/chrome-launcher) [![Windows Build Status](https://img.shields.io/appveyor/ci/paulirish/chrome-launcher/master.svg)](https://ci.appveyor.com/project/paulirish/chrome-launcher/branch/master) [![NPM chrome-launcher package](https://img.shields.io/npm/v/chrome-launcher.svg)](https://npmjs.org/package/chrome-launcher)
+
 
 Launch Google Chrome with ease from node.
 
-* [Disables many Chrome services](https://github.com/GoogleChrome/lighthouse/blob/master/chrome-launcher/flags.ts) that add noise to automated scenarios
+* [Disables many Chrome services](https://github.com/GoogleChrome/chrome-launcher/blob/master/flags.ts) that add noise to automated scenarios
 * Opens up the browser's `remote-debugging-port` on an available port
 * Automagically locates a Chrome binary to launch
 * Uses a fresh Chrome profile for each launch, and cleans itself up on `kill()`
@@ -111,9 +112,9 @@ chromeLauncher.launch({
 
 ### Continuous Integration
 
-In a CI environment like Travis, Chrome may not be installed. If you want to use `chrome-launcher`, you can install Chrome using Lighthouse's `download-chrome.sh` script:
+In a CI environment like Travis, Chrome may not be installed. If you want to use `chrome-launcher`, you can install Chrome using the `download-chrome.sh` script:
 
-`curl -L https://raw.githubusercontent.com/GoogleChrome/lighthouse/v2.1.0/lighthouse-core/scripts/download-chrome.sh | bash`
+`curl -L https://raw.githubusercontent.com/GoogleChrome/chrome-launcher/master/scripts/download-chrome.sh | bash`
 
 Then in `.travis.yml`, use it like so:
 
@@ -125,5 +126,5 @@ before_script:
   - export DISPLAY=:99.0
   - export CHROME_PATH="$(pwd)/chrome-linux/chrome"
   - sh -e /etc/init.d/xvfb start
-  - curl -L https://raw.githubusercontent.com/GoogleChrome/lighthouse/v2.1.0/lighthouse-core/scripts/download-chrome.sh | bash
+  - curl -L https://raw.githubusercontent.com/GoogleChrome/chrome-launcher/master/scripts/download-chrome.sh | bash
 ```

scripts/download-chrome.sh

@@ -0,0 +1,26 @@
+#!/usr/bin/env bash
+
+##
+# @license Copyright 2017 Google Inc. All Rights Reserved.
+# Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+# Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
+##
+
+# Download chrome inside of our CI env.
+
+if [ "$APPVEYOR" == "True" ]; then
+  url="https://download-chromium.appspot.com/dl/Win?type=snapshots"
+else
+  url="https://download-chromium.appspot.com/dl/Linux_x64?type=snapshots"
+fi
+
+if [ x"$LIGHTHOUSE_CHROMIUM_PATH" == x ]; then
+  echo "Error: Environment variable LIGHTHOUSE_CHROMIUM_PATH not set"
+  exit 1
+fi
+
+if [ -e "$LIGHTHOUSE_CHROMIUM_PATH" ]; then
+  echo "cached chrome found"
+else
+  wget "$url" --no-check-certificate -q -O chrome.zip && unzip chrome.zip
+fi