Plumb through NetworkChangeNotifier::IsOffline() to WebKit, enabling

net/socket/client_socket_pool_base.h

 // Copyright (c) 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.
 //
 // A ClientSocketPoolBase is used to restrict the number of sockets open at
 // a time.  It also maintains a list of idle persistent sockets for reuse.
 // Subclasses of ClientSocketPool should compose ClientSocketPoolBase to handle
 // the core logic of (1) restricting the number of active (connected or
 // connecting) sockets per "group" (generally speaking, the hostname), (2)
 // maintaining a per-group list of idle, persistent sockets for reuse, and (3)
@@ skipping 138 matching lines @@
 
 namespace internal {
 
 // ClientSocketPoolBaseHelper is an internal class that implements almost all
 // the functionality from ClientSocketPoolBase without using templates.
 // ClientSocketPoolBase adds templated definitions built on top of
 // ClientSocketPoolBaseHelper.  This class is not for external use, please use
 // ClientSocketPoolBase instead.
 class ClientSocketPoolBaseHelper
     : public ConnectJob::Delegate,
-      public NetworkChangeNotifier::Observer {
+      public NetworkChangeNotifier::IPAddressObserver {
  public:
   typedef uint32 Flags;
 
   // Used to specify specific behavior for the ClientSocketPool.
   enum Flag {
     NORMAL = 0,  // Normal behavior.
     NO_IDLE_SOCKETS = 0x1,  // Do not return an idle socket. Create a new one.
   };
 
   class Request {
@@ skipping 112 matching lines @@
   base::TimeDelta ConnectionTimeout() const {
     return connect_job_factory_->ConnectionTimeout();
   }
 
   static void set_connect_backup_jobs_enabled(bool enabled);
   void EnableConnectBackupJobs();
 
   // ConnectJob::Delegate methods:
   virtual void OnConnectJobComplete(int result, ConnectJob* job);
 
-  // NetworkChangeNotifier::Observer methods:
+  // NetworkChangeNotifier::IPAddressObserver methods:
   virtual void OnIPAddressChanged();
 
  private:
   friend class base::RefCounted<ClientSocketPoolBaseHelper>;
 
   // Entry for a persistent socket which became idle at time |start_time|.
   struct IdleSocket {
     IdleSocket() : socket(NULL) {}
 
     // An idle socket should be removed if it can't be reused, or has been idle
@@ skipping 434 matching lines @@
   // Histograms for the pool
   ClientSocketPoolHistograms* const histograms_;
   internal::ClientSocketPoolBaseHelper helper_;
 
   DISALLOW_COPY_AND_ASSIGN(ClientSocketPoolBase);
 };
 
 }  // namespace net
 
 #endif  // NET_SOCKET_CLIENT_SOCKET_POOL_BASE_H_