Shift cookie system callbacks to OnceCallback to impedance match mojo.

chrome/browser/extensions/api/cookies/cookies_helpers.cc

Index: chrome/browser/extensions/api/cookies/cookies_helpers.cc
diff --git a/chrome/browser/extensions/api/cookies/cookies_helpers.cc b/chrome/browser/extensions/api/cookies/cookies_helpers.cc
index bcb3066e597cc74ae6154993c94d1e3013e9116f..42ca67b2839980dc32c67cbd3958588926a6d94f 100644
--- a/chrome/browser/extensions/api/cookies/cookies_helpers.cc
+++ b/chrome/browser/extensions/api/cookies/cookies_helpers.cc
@@ -121,13 +121,13 @@ CookieStore CreateCookieStore(Profile* profile,
 void GetCookieListFromStore(
     net::CookieStore* cookie_store,
     const GURL& url,
-    const net::CookieMonster::GetCookieListCallback& callback) {
+    net::CookieMonster::GetCookieListCallback callback) {
   DCHECK(cookie_store);
   if (!url.is_empty()) {
     DCHECK(url.is_valid());
-    cookie_store->GetAllCookiesForURLAsync(url, callback);
+    cookie_store->GetAllCookiesForURLAsync(url, std::move(callback));
   } else {
-    cookie_store->GetAllCookiesAsync(callback);
+    cookie_store->GetAllCookiesAsync(std::move(callback));
   }
 }