Refactor net predictor to use ResourceThrottles

chrome/browser/net/connect_interceptor.h

-// 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 CHROME_BROWSER_NET_CONNECT_INTERCEPTOR_H_
-#define CHROME_BROWSER_NET_CONNECT_INTERCEPTOR_H_
-
-#include <memory>
-
-#include "base/gtest_prod_util.h"
-#include "base/macros.h"
-#include "chrome/browser/net/timed_cache.h"
-
-class GURL;
-
-namespace net {
-class URLRequest;
-}
-
-namespace chrome_browser_net {
-
-class Predictor;
-
-//------------------------------------------------------------------------------
-// An interceptor to monitor URLRequests so that we can do speculative DNS
-// resolution and/or speculative TCP preconnections.
-class ConnectInterceptor {
- public:
-  // Construction includes registration as an URL.
-  explicit ConnectInterceptor(Predictor* predictor);
-  // Destruction includes unregistering.
-  virtual ~ConnectInterceptor();
-
-  // Learn about referrers, and optionally preconnect based on history.
-  void WitnessURLRequest(net::URLRequest* request);
-
- private:
-  // Provide access to local class TimedCache for testing.
-  FRIEND_TEST_ALL_PREFIXES(ConnectInterceptorTest, TimedCacheRecall);
-  FRIEND_TEST_ALL_PREFIXES(ConnectInterceptorTest, TimedCacheEviction);
-
-  TimedCache timed_cache_;
-  Predictor* const predictor_;
-
-  DISALLOW_COPY_AND_ASSIGN(ConnectInterceptor);
-};
-
-}  // namespace chrome_browser_net
-
-#endif  // CHROME_BROWSER_NET_CONNECT_INTERCEPTOR_H_