| Index: chrome/browser/net/dns_global.h
|
| ===================================================================
|
| --- chrome/browser/net/dns_global.h (revision 50915)
|
| +++ chrome/browser/net/dns_global.h (working copy)
|
| @@ -1,102 +0,0 @@
|
| -// Copyright (c) 2006-2010 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.
|
| -
|
| -// This is the global interface for the dns prefetch services. It centralizes
|
| -// initialization, along with all the callbacks etc. to connect to the browser
|
| -// process. This allows the more standard DNS prefetching services, such as
|
| -// provided by Predictor to be left as more generally usable code, and possibly
|
| -// be shared across multiple client projects.
|
| -
|
| -#ifndef CHROME_BROWSER_NET_DNS_GLOBAL_H_
|
| -#define CHROME_BROWSER_NET_DNS_GLOBAL_H_
|
| -
|
| -
|
| -#include <string>
|
| -#include <vector>
|
| -
|
| -#include "base/field_trial.h"
|
| -#include "base/scoped_ptr.h"
|
| -#include "chrome/browser/autocomplete/autocomplete.h"
|
| -#include "chrome/browser/net/dns_master.h"
|
| -#include "net/base/host_resolver.h"
|
| -
|
| -class PrefService;
|
| -
|
| -namespace chrome_browser_net {
|
| -
|
| -// Deletes |referral_list| when done.
|
| -void FinalizePredictorInitialization(
|
| - Predictor* global_predictor,
|
| - net::HostResolver::Observer* global_prefetch_observer,
|
| - const std::vector<GURL>& urls_to_prefetch,
|
| - ListValue* referral_list);
|
| -
|
| -// Free all resources allocated by FinalizePredictorInitialization. After that
|
| -// you must not call any function from this file.
|
| -void FreePredictorResources();
|
| -
|
| -// Creates the HostResolver observer for the prefetching system.
|
| -net::HostResolver::Observer* CreateResolverObserver();
|
| -
|
| -//------------------------------------------------------------------------------
|
| -// Global APIs relating to predictions in browser.
|
| -void EnablePredictor(bool enable);
|
| -void RegisterPrefs(PrefService* local_state);
|
| -void RegisterUserPrefs(PrefService* user_prefs);
|
| -
|
| -// Renderer bundles up list and sends to this browser API via IPC.
|
| -// TODO(jar): Use UrlList instead to include port and scheme.
|
| -void DnsPrefetchList(const NameList& hostnames);
|
| -
|
| -// This API is used by the autocomplete popup box (as user types).
|
| -// This will either preresolve the domain name, or possibly preconnect creating
|
| -// an open TCP/IP connection to the host.
|
| -void AnticipateUrl(const GURL& url, bool preconnectable);
|
| -
|
| -// When displaying info in about:dns, the following API is called.
|
| -void PredictorGetHtmlInfo(std::string* output);
|
| -
|
| -//------------------------------------------------------------------------------
|
| -// When we navigate, we may know in advance some other URLs that will need to
|
| -// be resolved. This function initiates those side effects.
|
| -void PredictSubresources(const GURL& url);
|
| -
|
| -// When we navigate to a frame that may contain embedded resources, we may know
|
| -// in advance some other URLs that will need to be connected to (via TCP and
|
| -// sometimes SSL). This function initiates those connections
|
| -void PredictFrameSubresources(const GURL& url);
|
| -
|
| -// Call when we should learn from a navigation about a relationship to a
|
| -// subresource target, and its containing frame, which was loaded as a referring
|
| -// URL.
|
| -void LearnFromNavigation(const GURL& referring_url, const GURL& target_url);
|
| -
|
| -//------------------------------------------------------------------------------
|
| -void SavePredictorStateForNextStartupAndTrim(PrefService* prefs);
|
| -// Helper class to handle global init and shutdown.
|
| -class PredictorInit {
|
| - public:
|
| - // Too many concurrent lookups negate benefits of prefetching by trashing
|
| - // the OS cache before all resource loading is complete.
|
| - // This is the default.
|
| - static const size_t kMaxPrefetchConcurrentLookups;
|
| -
|
| - // When prefetch requests are queued beyond some period of time, then the
|
| - // system is congested, and we need to clear all queued requests to get out
|
| - // of that state. The following is the suggested default time limit.
|
| - static const int kMaxPrefetchQueueingDelayMs;
|
| -
|
| - PredictorInit(PrefService* user_prefs, PrefService* local_state,
|
| - bool preconnect_enabled);
|
| -
|
| - private:
|
| - // Maintain a field trial instance when we do A/B testing.
|
| - scoped_refptr<FieldTrial> trial_;
|
| -
|
| - DISALLOW_COPY_AND_ASSIGN(PredictorInit);
|
| -};
|
| -
|
| -} // namespace chrome_browser_net
|
| -
|
| -#endif // CHROME_BROWSER_NET_DNS_GLOBAL_H_
|
|
|