From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: deepak1556 <hop2deep@gmail.com>
Date: Thu, 13 Oct 2022 20:30:12 +0900
Subject: Preconnect manager

* Patch disables the profile related changes added in
https://chromium-review.googlesource.com/c/chromium/src/+/3928470.
* Also avoids including chrome/browser/predictors/resource_prefetch_predictor.h
in favor of defining PreconnectRequest in this file since we don't build
the header.

diff --git a/chrome/browser/predictors/preconnect_manager.cc b/chrome/browser/predictors/preconnect_manager.cc
index a51225da52ea92e39b9d11f48b024e423e6039ac..552f748612f59455b480d62f14c5d49ec752997b 100644
--- a/chrome/browser/predictors/preconnect_manager.cc
+++ b/chrome/browser/predictors/preconnect_manager.cc
@@ -10,9 +10,11 @@
 #include "base/functional/bind.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/trace_event/trace_event.h"
+#if 0
 #include "chrome/browser/predictors/resource_prefetch_predictor.h"
 #include "chrome/browser/preloading/preloading_prefs.h"
 #include "chrome/browser/profiles/profile.h"
+#endif
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_task_traits.h"
 #include "content/public/browser/browser_thread.h"
@@ -23,6 +25,20 @@ namespace predictors {
 
 const bool kAllowCredentialsOnPreconnectByDefault = true;
 
+// NOTE(nornagon): this is copied from
+// //chrome/browser/predictors/resource_prefetch_predictor.cc we don't need
+// anything in that file other than this constructor.
+PreconnectRequest::PreconnectRequest(
+    const url::Origin& origin,
+    int num_sockets,
+    const net::NetworkAnonymizationKey& network_anonymization_key)
+    : origin(origin),
+      num_sockets(num_sockets),
+      network_anonymization_key(network_anonymization_key) {
+  DCHECK_GE(num_sockets, 0);
+  DCHECK(!network_anonymization_key.IsEmpty());
+}
+
 PreconnectedRequestStats::PreconnectedRequestStats(const url::Origin& origin,
                                                    bool was_preconnected)
     : origin(origin), was_preconnected(was_preconnected) {}
@@ -83,12 +99,15 @@ PreconnectManager::PreconnectManager(base::WeakPtr<Delegate> delegate,
 PreconnectManager::~PreconnectManager() = default;
 
 bool PreconnectManager::IsEnabled() {
+#if 0
   Profile* profile = Profile::FromBrowserContext(browser_context_);
   if (!profile) {
     return false;
   }
   return prefetch::IsSomePreloadingEnabled(*profile->GetPrefs()) ==
          content::PreloadingEligibility::kEligible;
+#endif
+  return true;
 }
 
 void PreconnectManager::Start(const GURL& url,
diff --git a/chrome/browser/predictors/preconnect_manager.h b/chrome/browser/predictors/preconnect_manager.h
index d18470c05cdaffbc48b83cc0c76f7085442dccce..0c0a3f11a2da083ef5437a0e6abcf91afbcf9df3 100644
--- a/chrome/browser/predictors/preconnect_manager.h
+++ b/chrome/browser/predictors/preconnect_manager.h
@@ -17,7 +17,9 @@
 #include "base/time/time.h"
 #include "chrome/browser/predictors/proxy_lookup_client_impl.h"
 #include "chrome/browser/predictors/resolve_host_client_impl.h"
+#if 0
 #include "chrome/browser/predictors/resource_prefetch_predictor.h"
+#endif
 #include "net/base/network_anonymization_key.h"
 #include "url/gurl.h"
 
@@ -33,7 +35,28 @@ class NetworkContext;
 
 namespace predictors {
 
-struct PreconnectRequest;
+// Stores all values needed to trigger a preconnect/preresolve job to a single
+// origin.
+struct PreconnectRequest {
+  // |network_anonymization_key| specifies the key that network requests for the
+  // preconnected URL are expected to use. If a request is issued with a
+  // different key, it may not use the preconnected socket. It has no effect
+  // when |num_sockets| == 0.
+  PreconnectRequest(
+      const url::Origin& origin,
+      int num_sockets,
+      const net::NetworkAnonymizationKey& network_anonymization_key);
+  PreconnectRequest(const PreconnectRequest&) = default;
+  PreconnectRequest(PreconnectRequest&&) = default;
+  PreconnectRequest& operator=(const PreconnectRequest&) = default;
+  PreconnectRequest& operator=(PreconnectRequest&&) = default;
+
+  url::Origin origin;
+  // A zero-value means that we need to preresolve a host only.
+  int num_sockets = 0;
+  bool allow_credentials = true;
+  net::NetworkAnonymizationKey network_anonymization_key;
+};
 
 struct PreconnectedRequestStats {
   PreconnectedRequestStats(const url::Origin& origin, bool was_preconnected);
