chromium/source: Move patches into its own subdir

We're going to reference the patches in the Chromium main build rather
than applying it to the sources. So as a first step, this should keep
the patches away from the "source" subdirectory so we can make it flat.

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

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

@@ -42,11 +42,11 @@ in stdenv.mkDerivation {
   '';
 
   patches = [
-    ./build_fixes_46.patch
-    ./widevine.patch
+    ../patches/build_fixes_46.patch
+    ../patches/widevine.patch
     (if versionOlder version "50.0.0.0"
-     then ./nix_plugin_paths_46.patch
-     else ./nix_plugin_paths_50.patch)
+     then ../patches/nix_plugin_paths_46.patch
+     else ../patches/nix_plugin_paths_50.patch)
   ];
 
   patchPhase = let