Promote CookieMonster::DeleteCanonicalCookieAsync to CookieStore.

net/cookies/cookie_store.h

Index: net/cookies/cookie_store.h
diff --git a/net/cookies/cookie_store.h b/net/cookies/cookie_store.h
index 22884486844a171c1ca2f6757d4d550836389d85..26db1fea83f91caaf21f99c0e2b2896c0c6e97dc 100644
--- a/net/cookies/cookie_store.h
+++ b/net/cookies/cookie_store.h
@@ -114,6 +114,12 @@ class NET_EXPORT CookieStore : public base::RefCountedThreadSafe<CookieStore> {
                                  const std::string& cookie_name,
                                  const base::Closure& callback) = 0;
 
+  // Deletes one specific cookie. |cookie| must have been returned by a previous
+  // query on this CookieStore. Invokes |callback| with 1 if a cookie was
+  // deleted, 0 otherwise.
+  virtual void DeleteCanonicalCookieAsync(const CanonicalCookie& cookie,
+                                          const DeleteCallback& callback) = 0;
+
   // Deletes all of the cookies that have a creation_date greater than or equal
   // to |delete_begin| and less than |delete_end|
   // Returns the number of cookies that have been deleted.