[CookieStore] Upgrading host-based deleting to predicate-based deleting.

net/cookies/cookie_store.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/cookies/cookie_store.h"
 
+#include "base/bind.h"
+#include "base/callback.h"
 #include "net/cookies/cookie_options.h"
 
 namespace net {
+namespace {
+bool DoesCookieMatchHost(const std::string& host,
+                         const CanonicalCookie& cookie) {
+  return cookie.IsHostCookie() && cookie.IsDomainMatch(host);
+}
+}  // namespace
 
 CookieStore::~CookieStore() {}
 
 std::string CookieStore::BuildCookieLine(
     const std::vector<CanonicalCookie>& cookies) {
   std::string cookie_line;
   for (const auto& cookie : cookies) {
     if (!cookie_line.empty())
       cookie_line += "; ";
     // In Mozilla, if you set a cookie like "AAA", it will have an empty token
@@ skipping 15 matching lines @@
     // In Mozilla, if you set a cookie like "AAA", it will have an empty token
     // and a value of "AAA". When it sends the cookie back, it will send "AAA",
     // so we need to avoid sending "=AAA" for a blank token value.
     if (!cookie->Name().empty())
       cookie_line += cookie->Name() + "=";
     cookie_line += cookie->Value();
   }
   return cookie_line;
 }
 
+CookieStore::CookiePredicate CookieStore::CreatePredicateForHostCookies(
+    const GURL& url) {
+  return base::Bind(&DoesCookieMatchHost, url.host());
+}
+
 void CookieStore::DeleteAllAsync(const DeleteCallback& callback) {
   DeleteAllCreatedBetweenAsync(base::Time(), base::Time::Max(), callback);
 }
 
 void CookieStore::SetForceKeepSessionState() {
   // By default, do nothing.
 }
 
 void CookieStore::GetAllCookiesForURLAsync(
     const GURL& url,
@@ skipping 11 matching lines @@
   channel_id_service_id_ = id;
 }
 
 int CookieStore::GetChannelIDServiceID() {
   return channel_id_service_id_;
 }
 
 CookieStore::CookieStore() : channel_id_service_id_(-1) {}
 
 }  // namespace net