Add libgnutls26 to instrumented libraries

third_party/instrumented_libraries/scripts/install-build-deps.sh

 #!/bin/bash -e
 
 # 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.
 
 # Script to install build dependencies of packages which we instrument.
 
 # Enable source repositories in Goobuntu.
 if hash goobuntu-config 2> /dev/null
@@ skipping 65 matching lines @@
 ubuntu_release=$(lsb_release -cs)
 
 if test "$ubuntu_release" = "trusty" ; then
   packages="$common_packages $trusty_specific_packages"
 fi
 
 # Extra build deps for pulseaudio, which apt-get build-dep may fail to install
 # for reasons which are not entirely clear. 
 sudo apt-get install libltdl3-dev libjson0-dev \
          libsndfile1-dev libspeexdsp-dev libjack0 \
-         chrpath -y  # Chrpath is required by fix_rpaths.sh.
+         chrpath -y --force-yes  # Chrpath is required by fix_rpaths.sh.
 
-sudo apt-get build-dep -y $packages
+sudo apt-get build-dep -y --force-yes $packages
 
 if test "$ubuntu_release" = "trusty" ; then
   # On Trusty, build deps for some of the instrumented packages above conflict
   # with Chromium's build deps. In particular:
   # zlib1g and libffi remove gcc-4.8 in favor of gcc-multilib,
   # libglib2.0-0 removes libelf in favor of libelfg0.
   # We let Chromium's build deps take priority. So, run Chromium's
   # install-build-deps.sh to reinstall those that have been removed.
   $(dirname ${BASH_SOURCE[0]})/../../../build/install-build-deps.sh --no-prompt
 fi