Rename URLRequestContextGetter::GetCookieStore() --> DONTUSEME_GetCookieStore(), to emphasize that it is deprecated and prevent new usages.

BUG=77835
Review URL: http://codereview.chromium.org/6775010

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@79893 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/browser/extensions/extension_service_unittest.cc b/chrome/browser/extensions/extension_service_unittest.cc
index f8aeb51..dc9d28c 100644
--- a/chrome/browser/extensions/extension_service_unittest.cc
+++ b/chrome/browser/extensions/extension_service_unittest.cc
@@ -2773,8 +2773,9 @@
       webkit_database::DatabaseUtil::GetOriginIdentifier(ext_url);
 
   // Set a cookie for the extension.
-  net::CookieMonster* cookie_monster = profile_
-      ->GetRequestContextForExtensions()->GetCookieStore()->GetCookieMonster();
+  net::CookieMonster* cookie_monster =
+      profile_->GetRequestContextForExtensions()->GetURLRequestContext()->
+      cookie_store()->GetCookieMonster();
   ASSERT_TRUE(cookie_monster);
   net::CookieOptions options;
   cookie_monster->SetCookieWithOptions(ext_url, "dummy=value", options);