Roll Linux reference build to official build 30.0.1599.33

chrome_linux/installer/common/prerm.include

Index: chrome_linux/installer/common/prerm.include
===================================================================
--- chrome_linux/installer/common/prerm.include	(revision 0)
+++ chrome_linux/installer/common/prerm.include	(revision 0)
@@ -0,0 +1,23 @@
+# Remove icons from the system icons
+XDG_ICON_RESOURCE="`which xdg-icon-resource 2> /dev/null`"
+if [ ! -x "$XDG_ICON_RESOURCE" ]; then
+  echo "Error: Could not find xdg-icon-resource" >&2
+  exit 1
+fi
+for icon in "@@INSTALLDIR@@/product_logo_"*.png; do
+  size="${icon##*/product_logo_}"
+  "$XDG_ICON_RESOURCE" uninstall --size "${size%.png}" "@@PACKAGE@@"
+done
+
+# Remove the entry from the system menu
+XDG_DESKTOP_MENU="`which xdg-desktop-menu 2> /dev/null`"
+UPDATE_MENUS="`which update-menus 2> /dev/null`"
+if [ ! -x "$XDG_DESKTOP_MENU" ]; then
+  echo "Error: Could not find xdg-desktop-menu" >&2
+  exit 1
+fi
+"$XDG_DESKTOP_MENU" uninstall @@INSTALLDIR@@/@@PACKAGE@@.desktop
+
+if [ -x "$UPDATE_MENUS" ]; then
+  update-menus
+fi