Add alsa into the dependencies.

build/install-build-deps.sh

 #!/bin/bash -e
 
 # Script to install everything needed to build chromium (well, ideally, anyway)
 # See http://code.google.com/p/chromium/wiki/LinuxBuildInstructions
 # and http://code.google.com/p/chromium/wiki/LinuxBuild64Bit
 
 if ! egrep -q "Ubuntu 8.04|Ubuntu 8.10|Ubuntu 9.04" /etc/issue; then
   echo "Only Ubuntu 8.04, 8.10, and 9.04 are currently supported" >&2
   exit 1
 fi
 
 if ! uname -m | egrep -q "i686|x86_64"; then
   echo "Only x86 architectures are currently supported" >&2
   exit
 fi
 
 if [ "x$(id -u)" != x0 ]; then
   echo "Running as non-root user."
   echo "You might have to enter your password one or more times for 'sudo'."
   echo
 fi
 
 # Packages need for development
-dev_list="bison fakeroot flex g++ g++-multilib gperf libcairo2-dev libgconf2-dev
-          libglib2.0-dev libgtk2.0-dev libnspr4-dev libnss3-dev
-          libsqlite3-dev lighttpd msttcorefonts perl php5-cgi
+dev_list="bison fakeroot flex g++ g++-multilib gperf libasound2-dev
+          libcairo2-dev libgconf2-dev libglib2.0-dev libgtk2.0-dev libnspr4-dev
+          libnss3-dev libsqlite3-dev lighttpd msttcorefonts perl php5-cgi
           pkg-config python subversion sun-java6-fonts wdiff"
 
 # Full list of required run-time libraries
-lib_list="libatk1.0-0 libc6 libcairo2 libexpat1 libfontconfig1 libfreetype6
-          libglib2.0-0 libgtk2.0-0 libnspr4-0d libnss3-1d libpango1.0-0
-          libpcre3 libpixman-1-0 libpng12-0 libstdc++6 libsqlite3-0 libx11-6
-          libxau6 libxcb-xlib0 libxcb1 libxcomposite1 libxcursor1 libxdamage1
-          libxdmcp6 libxext6 libxfixes3 libxi6 libxinerama1 libxrandr2
-          libxrender1 zlib1g"
+lib_list="libatk1.0-0 libc6 libasound2 libcairo2 libexpat1 libfontconfig1
+          libfreetype6 libglib2.0-0 libgtk2.0-0 libnspr4-0d libnss3-1d
+          libpango1.0-0 libpcre3 libpixman-1-0 libpng12-0 libstdc++6
+          libsqlite3-0 libx11-6 libxau6 libxcb-xlib0 libxcb1 libxcomposite1
+          libxcursor1 libxdamage1 libxdmcp6 libxext6 libxfixes3 libxi6
+          libxinerama1 libxrandr2 libxrender1 zlib1g"
 
 # Debugging symbols for all of the run-time libraries
 dbg_list="libatk1.0-dbg libc6-dbg libcairo2-dbg libfontconfig1-dbg
           libglib2.0-0-dbg libgtk2.0-0-dbg libnspr4-0d-dbg libnss3-1d-dbg
           libpango1.0-0-dbg libpcre3-dbg libpixman-1-0-dbg libx11-6-dbg
           libxau6-dbg libxcb-xlib0-dbg libxcb1-dbg libxcomposite1-dbg
           libxcursor1-dbg libxdamage1-dbg libxdmcp6-dbg libxext6-dbg
           libxfixes3-dbg libxi6-dbg libxinerama1-dbg libxrandr2-dbg
           libxrender1-dbg zlib1g-dbg"
 
@@ skipping 193 matching lines @@
              sed -e 's/[.]so[.][0-9].*/.so/' |
              sort -u); do
     [ "x${i##*/}" = "xld-linux.so" ] && continue
     [ -r "$i" ] && continue
     j="$(ls "$i."* | sed -e 's/.*[.]so[.]\([^.]*\)$/\1/;t;d' |
          sort -n | tail -n 1)"
     [ -r "$i.$j" ] || continue
     sudo ln -s "${i##*/}.$j" "$i"
   done
 fi