Import wpt@fd6560f225668e933bfb147ee0e20d5971a0d21f

third_party/WebKit/LayoutTests/external/wpt/ci_stability.sh

 set -e
 
 hosts_fixup() {
     echo "travis_fold:start:hosts_fixup"
     echo "Rewriting hosts file"
     echo "## /etc/hosts ##"
     cat /etc/hosts
     sudo sed -i 's/^::1\s*localhost/::1/' /etc/hosts
     sudo sh -c 'echo "
 127.0.0.1 web-platform.test
 127.0.0.1 www.web-platform.test
 127.0.0.1 www1.web-platform.test
 127.0.0.1 www2.web-platform.test
 127.0.0.1 xn--n8j6ds53lwwkrqhv28a.web-platform.test
 127.0.0.1 xn--lve-6lad.web-platform.test
 " >> /etc/hosts'
     echo "== /etc/hosts =="
     cat /etc/hosts
     echo "----------------"
     echo "travis_fold:end:hosts_fixup"
 }
 
+install_chrome() {
+    channel=$1
+    deb_archive=google-chrome-${channel}_current_amd64.deb
+    wget https://dl.google.com/linux/direct/$deb_archive
+
+    # Installation will fail in cases where the package has unmet dependencies.
+    # When this occurs, attempt to use the system package manager to fetch the
+    # required packages and retry.
+    if ! sudo dpkg --install $deb_archive; then
+      sudo apt-get install --fix-broken
+      sudo dpkg --install $deb_archive
+    fi
+}
 
 test_stability() {
     python check_stability.py $PRODUCT
 }
 
 main() {
     hosts_fixup
+    if [ $(echo $PRODUCT | grep '^chrome:') ]; then
+       install_chrome $(echo $PRODUCT | grep --only-matching '\w\+$')
+    fi
     test_stability
 }
 
 main