Update v8-i18n project to r7 to fix a stable blocker.

DEPS

 vars = {
   # Use this googlecode_url variable only if there is an internal mirror for it.
   # If you do not know, use the full path while defining your new deps entry.
   "googlecode_url": "http://%s.googlecode.com/svn",
   "sourceforge_url": "http://%(repo)s.svn.sourceforge.net/svnroot/%(repo)s",
   "webkit_trunk": "http://svn.webkit.org/repository/webkit/trunk",
   "nacl_trunk": "http://src.chromium.org/native_client/trunk",
   "webkit_revision": "100263",
   "chromium_git": "http://git.chromium.org/git",
   "swig_revision": "69281",
@@ skipping 127 matching lines @@
   "src/tools/page_cycler/acid3":
     "/trunk/deps/page_cycler/acid3@102714",
 
   "src/chrome/test/data/perf/frame_rate/content":
     "/trunk/deps/frame_rate/content@93671",
 
   "src/third_party/bidichecker":
     (Var("googlecode_url") % "bidichecker") + "/trunk/lib@4",
 
   "src/third_party/v8-i18n":
-    (Var("googlecode_url") % "v8-i18n") + "/trunk@4",
+    (Var("googlecode_url") % "v8-i18n") + "/trunk@7",
 
   # When roll to another webgl conformance tests revision, please goto
   # chrome/test/gpu and run generate_webgl_conformance_test_list.py.
   "src/third_party/webgl_conformance":
     "/trunk/deps/third_party/webgl/sdk/tests@106432",
 
   # We should use the same software_rendering_list.json for all branches.
   "src/chrome/browser/resources/software_rendering_list":
     "/trunk/deps/gpu/software_rendering_list@109652",
 
@@ skipping 276 matching lines @@
     # which takes ~20s, but clang speeds up builds by more than 20s.
     "pattern": ".",
     "action": ["python", "src/tools/clang/scripts/update.py", "--mac-only"],
   },
   {
     # A change to a .gyp, .gypi, or to GYP itself should run the generator.
     "pattern": ".",
     "action": ["python", "src/build/gyp_chromium"],
   },
 ]