chromium/source: Move update.nix to parent dir

We now should have only the default.nix left in the source directory and
we can start to factor out the pieces into the Chromium main derivation
attributes.

Signed-off-by: aszlig <aszlig@redmoonstudios.org>

pkgs/applications/networking/browsers/chromium/source/default.nix

@@ -4,7 +4,7 @@
 
 with stdenv.lib;
 
-with (import ./update.nix {
+with (import ../update.nix {
   inherit (stdenv) system;
 }).getChannel channel;
 

pkgs/applications/networking/browsers/chromium/update.nix

@@ -1,12 +1,12 @@
 { system ? builtins.currentSystem }:
 
 let
-  inherit (import ../../../../../../. {
+  inherit (import ../../../../../. {
     inherit system;
   }) lib runCommand writeText stdenv curl cacert nix;
 
-  sources = if builtins.pathExists ../upstream-info.nix
-            then import ../upstream-info.nix
+  sources = if builtins.pathExists ./upstream-info.nix
+            then import ./upstream-info.nix
             else {};
 
   bucketURL = "https://commondatastorage.googleapis.com/"

pkgs/applications/networking/browsers/chromium/update.sh

@@ -1,4 +1,4 @@
 #!/bin/sh -e
 cd "$(dirname "$0")"
-sp="$(nix-build -Q --no-out-link source/update.nix -A update)"
+sp="$(nix-build -Q --no-out-link update.nix -A update)"
 cat "$sp" > upstream-info.nix