Linux: allow linking directly with Kerberos instead of using dlopen.

dlopen is still the default for Google Chrome. This option
is intended for Linux distro packagers.

BUG=92689

Review URL: http://codereview.chromium.org/7655046

git-svn-id: http://src.chromium.org/svn/trunk/src/build@98116 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

install-build-deps.sh

@@ -105,10 +105,10 @@ dev_list="apache2.2-bin bison fakeroot flex g++ gperf language-pack-fr
           libapache2-mod-php5 libasound2-dev libbz2-dev libcairo2-dev
           libcups2-dev libdbus-glib-1-dev libgconf2-dev
           libgl1-mesa-dev libglu1-mesa-dev libglib2.0-dev libgnome-keyring-dev
-          libgtk2.0-dev libjpeg62-dev libnspr4-dev libnss3-dev libpam0g-dev
-          libsctp-dev libsqlite3-dev libxslt1-dev libxss-dev libxtst-dev
-          mesa-common-dev msttcorefonts patch perl libwww-perl php5-cgi
-          pkg-config python python-dev rpm subversion ttf-dejavu-core
+          libgtk2.0-dev libjpeg62-dev libkrb5-dev libnspr4-dev libnss3-dev
+          libpam0g-dev libsctp-dev libsqlite3-dev libxslt1-dev libxss-dev
+          libxtst-dev mesa-common-dev msttcorefonts patch perl libwww-perl
+          php5-cgi pkg-config python python-dev rpm subversion ttf-dejavu-core
           ttf-kochi-gothic ttf-kochi-mincho wdiff libcurl4-gnutls-dev
           ttf-indic-fonts ttf-thai-tlwg
           $chromeos_dev_list"