Add 'rpm' to dev tools for creating RPM packages.

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
 
 install_gold() {
   # Gold is optional; it's a faster replacement for ld,
   # and makes life on 2GB machines much more pleasant.
 
@@ skipping 72 matching lines @@
 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 libasound2-dev
           libcairo2-dev libgconf2-dev libglib2.0-dev libgtk2.0-dev libnspr4-dev
           libnss3-dev libsqlite3-dev lighttpd msttcorefonts patch perl php5-cgi
-          pkg-config python subversion wdiff"
+          pkg-config python rpm subversion wdiff"
 
 # Full list of required run-time libraries
 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 libxcb1 libxcomposite1
           libxcursor1 libxdamage1 libxdmcp6 libxext6 libxfixes3 libxi6
           libxinerama1 libxrandr2 libxrender1 zlib1g"
 
 # Debugging symbols for all of the run-time libraries
@@ skipping 243 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