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Unified Diff: chrome/browser/net/dns_global.h

Issue 2866026: Rename Dns prefetching files to Predictor files... (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: '' Created 10 years, 6 months ago
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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_
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