Remove async functionality from net::CookiePolicy.

net/base/cookie_policy.h

-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 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.
 
 #ifndef NET_BASE_COOKIE_POLICY_H_
 #define NET_BASE_COOKIE_POLICY_H_
 #pragma once
 
 #include <string>
 
 #include "net/base/completion_callback.h"
 
 class GURL;
 
 namespace net {
 
 // Alternative success codes for CookiePolicy::Can{Get,Set}Cookie(s).
 enum {
   OK_FOR_SESSION_ONLY = 1,  // The cookie may be set but not persisted.
 };
 
 class CookiePolicy {
  public:
   virtual ~CookiePolicy() {}
 
   // Determines if the URL's cookies may be read.
   //
   // Returns:
   //   OK                   -  if allowed to read cookies
   //   ERR_ACCESS_DENIED    -  if not allowed to read cookies
-  //   ERR_IO_PENDING       -  if the result will be determined asynchronously
-  //
-  // If the return value is ERR_IO_PENDING, then the given callback will be
-  // notified once the final result is determined.  Note: The callback must
-  // remain valid until notified.
   virtual int CanGetCookies(const GURL& url,
-                            const GURL& first_party_for_cookies,
-                            CompletionCallback* callback) = 0;
-
-  // Determines if the URL's cookies may be written.  Returns OK if allowed to
-  // write a cookie for the given URL.  Returns ERR_IO_PENDING to indicate that
-  // the completion callback will be notified (asynchronously and on the
-  // current thread) of the final result.  Note: The completion callback must
-  // remain valid until notified.
+                            const GURL& first_party_for_cookies) const = 0;
 
   // Determines if the URL's cookies may be written.
   //
   // Returns:
   //   OK                   -  if allowed to write cookies
   //   OK_FOR_SESSION_ONLY  -  if allowed to write cookies, but forces them to
   //                           be stored as session cookies
   //   ERR_ACCESS_DENIED    -  if not allowed to write cookies
-  //   ERR_IO_PENDING       -  if the result will be determined asynchronously
-  //
-  // If the return value is ERR_IO_PENDING, then the given callback will be
-  // notified once the final result is determined.  Note: The callback must
-  // remain valid until notified.
   virtual int CanSetCookie(const GURL& url,
                            const GURL& first_party_for_cookies,
-                           const std::string& cookie_line,
-                           CompletionCallback* callback) = 0;
+                           const std::string& cookie_line) const = 0;
 };
 
 }  // namespace net
 
 #endif // NET_BASE_COOKIE_POLICY_H_