Select the correct RPM package manager on Mageia

Mageia uses urpmi, but the autodetection code currently selects yum. Fix that.

Review URL: https://codereview.chromium.org/264913004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@270031 0039d316-1c4b-4281-b951-d872f2087c98

AUTHORS

@@ -35,6 +35,7 @@ Andrei Parvu <parvu@adobe.com>
 Andrew Brampton <me@bramp.net>
 Andrew Tulloch <andrew@tullo.ch>
 Anish Patankar <anish.p@samsung.com>
+Anssi Hannula <anssi.hannula@iki.fi>
 Antonio Gomes <a1.gomes@sisa.samsung.com>
 Arnaud Renevier <a.renevier@samsung.com>
 Arthur Lussos <developer0420@gmail.com>

chrome/installer/linux/common/rpm.include

@@ -71,7 +71,7 @@ determine_rpm_package_manager() {
     "Fedora")
       PACKAGEMANAGER=yum
       ;;
-    "MandrivaLinux")
+    "Mageia"|"MandrivaLinux")
       PACKAGEMANAGER=urpmi
       ;;
     "SUSE LINUX")