Implement delete methods for the various CannedBrowsingDataHelpers.

chrome/browser/browsing_data/browsing_data_cookie_helper.cc

Index: chrome/browser/browsing_data/browsing_data_cookie_helper.cc
diff --git a/chrome/browser/browsing_data/browsing_data_cookie_helper.cc b/chrome/browser/browsing_data/browsing_data_cookie_helper.cc
index 5551642305c64c7e7ae487c4b0216f64bfc5136a..3d65a87a07192c1c2cf1a80575ea34bfd7a877e4 100644
--- a/chrome/browser/browsing_data/browsing_data_cookie_helper.cc
+++ b/chrome/browser/browsing_data/browsing_data_cookie_helper.cc
@@ -187,6 +187,16 @@ void CannedBrowsingDataCookieHelper::StartFetching(
   callback.Run(cookie_list);
 }
 
+void CannedBrowsingDataCookieHelper::DeleteCookie(
+    const net::CanonicalCookie& cookie) {
+  for (OriginCookieListMap::iterator it = origin_cookie_list_map_.begin();
+       it != origin_cookie_list_map_.end();
+       ++it) {
+    DeleteMatchingCookie(cookie, it->second);
+  }
+  BrowsingDataCookieHelper::DeleteCookie(cookie);
+}
+
 bool CannedBrowsingDataCookieHelper::DeleteMatchingCookie(
     const net::CanonicalCookie& add_cookie,
     net::CookieList* cookie_list) {