Adding a dependency on code.google.com/p/v8-i18n library.

We've moved our i18n library from v8/src/extensions/experimental to a separate
code.google.com project. Some files were renamed, and gyp file was cleaned up.

We will update webkit tree once this DEPS change propagates to chromium port of WebKit.

Pros:
- Faster development cycle
- Makes easier for v8 team to handle merges and rolls to chromium
- Library uses only public v8 API so we don't expect breakages

Cons:
- Library is not so visible now that's outside of v8 tree
Review URL: http://codereview.chromium.org/7583050

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@96577 0039d316-1c4b-4281-b951-d872f2087c98

DEPS

@@ -143,6 +143,11 @@ deps = {
   "src/third_party/bidichecker":
     (Var("googlecode_url") % "bidichecker") + "/trunk/lib@4",
 
+  # TODO(cira): Replace http://v8-i18n.googlecode.com/svn with
+  # Var("googlecode_url") once the golo-mirror is setup.
+  "src/third_party/v8-i18n":
+    "http://v8-i18n.googlecode.com/svn" + "/trunk@4",
+
   "src/third_party/webgl_conformance":
     "/trunk/deps/third_party/webgl/sdk/tests@93490",