Add libwww-perl to the list of installed packages.

build/install-build-deps.sh

Index: build/install-build-deps.sh
diff --git a/build/install-build-deps.sh b/build/install-build-deps.sh
index 23421cd515558fa3af4c2383065305c4dccc8dd2..119169341b777066091ffc650acfe45dd39208a0 100755
--- a/build/install-build-deps.sh
+++ b/build/install-build-deps.sh
@@ -107,10 +107,10 @@ dev_list="apache2.2-bin bison fakeroot flex g++ gperf language-pack-fr
           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 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
+          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"
 
 # Run-time libraries required by chromeos only