Remove support for Ubuntu/Precise sysroot

build/install-build-deps-android.sh

 #!/bin/bash
 
 # Copyright (c) 2012 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.
 
 # Script to install everything needed to build chromium on android, including
 # items requiring sudo privileges.
 # See https://www.chromium.org/developers/how-tos/android-build-instructions
 
@@ skipping 14 matching lines @@
   --no-syms --lib32 --no-arm --no-chromeos-fonts --no-nacl --no-prompt "${args}"
 
 # Fix deps
 sudo apt-get -f install
 
 # common
 sudo apt-get -y install lib32z1 lighttpd python-pexpect xvfb x11-utils
 
 # Some binaries in the Android SDK require 32-bit libraries on the host.
 # See https://developer.android.com/sdk/installing/index.html?pkg=tools
-if [[ $lsb_release == "precise" ]]; then
-  sudo apt-get -y install ia32-libs
-else
-  sudo apt-get -y install libncurses5:i386 libstdc++6:i386 zlib1g:i386
-fi
+sudo apt-get -y install libncurses5:i386 libstdc++6:i386 zlib1g:i386
 
 # Required by //components/cronet/tools/generate_javadoc.py
 # TODO(375324): Stop requiring ANT.
 sudo apt-get -y install ant
 
 # Required for apk-patch-size-estimator
 sudo apt-get -y install bsdiff
 
 # Do our own error handling for java.
 set +e
@@ skipping 23 matching lines @@
   which java
   echo -n '`which javac` reports: '
   which javac
   echo
   echo "You might also try running:"
   echo "    sudo update-java-alternatives -s java-1.8.0-openjdk-amd64"
   exit 1
 fi
 
 echo "install-build-deps-android.sh complete."