socket: Add RawConnect method

src/net/socket/client_socket_pool_manager.cc

@@ -283,6 +283,27 @@ int InitSocketHandleForWebSocketRequest(
       proxy_auth_callback);
 }
 
+int InitSocketHandleForRawConnect2(const HostPortPair& endpoint,
+                                   HttpNetworkSession* session,
+                                   int request_load_flags,
+                                   RequestPriority request_priority,
+                                   const ProxyInfo& proxy_info,
+                                   const SSLConfig& ssl_config_for_origin,
+                                   const SSLConfig& ssl_config_for_proxy,
+                                   PrivacyMode privacy_mode,
+                                   const NetLogWithSource& net_log,
+                                   ClientSocketHandle* socket_handle,
+                                   CompletionOnceCallback callback) {
+  DCHECK(socket_handle);
+  return InitSocketPoolHelper(
+      ClientSocketPoolManager::NORMAL_GROUP, endpoint, request_load_flags,
+      request_priority, session, proxy_info, ssl_config_for_origin,
+      ssl_config_for_proxy, true /* is_for_websockets */, privacy_mode,
+      NetworkIsolationKey(), SocketTag(), net_log, 0, socket_handle,
+      HttpNetworkSession::NORMAL_SOCKET_POOL, std::move(callback),
+      ClientSocketPool::ProxyAuthCallback());
+}
+
 int PreconnectSocketsForHttpRequest(
     ClientSocketPoolManager::SocketGroupType group_type,
     const HostPortPair& endpoint,

src/net/socket/client_socket_pool_manager.h

@@ -138,6 +138,19 @@ int InitSocketHandleForWebSocketRequest(
     CompletionOnceCallback callback,
     const ClientSocketPool::ProxyAuthCallback& proxy_auth_callback);
 
+NET_EXPORT int InitSocketHandleForRawConnect2(
+    const HostPortPair& endpoint,
+    HttpNetworkSession* session,
+    int request_load_flags,
+    RequestPriority request_priority,
+    const ProxyInfo& proxy_info,
+    const SSLConfig& ssl_config_for_origin,
+    const SSLConfig& ssl_config_for_proxy,
+    PrivacyMode privacy_mode,
+    const NetLogWithSource& net_log,
+    ClientSocketHandle* socket_handle,
+    CompletionOnceCallback callback);
+
 // Similar to InitSocketHandleForHttpRequest except that it initiates the
 // desired number of preconnect streams from the relevant socket pool.
 int PreconnectSocketsForHttpRequest(