Roll grit from r151 to r152.

Changes:
- r152 Adding support for custom rc header formatting.

BUG=none

Review URL: https://codereview.chromium.org/175403005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@252779 0039d316-1c4b-4281-b951-d872f2087c98

DEPS

@@ -132,7 +132,7 @@ deps = {
     (Var("googlecode_url") % "snappy") + "/trunk@80",
 
   "src/tools/grit":
-    (Var("googlecode_url") % "grit-i18n") + "/trunk@151",
+    (Var("googlecode_url") % "grit-i18n") + "/trunk@152",
 
   "src/tools/gyp":
     (Var("googlecode_url") % "gyp") + "/trunk@1857",