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

net/spdy/spdy_session_pool.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.
 
 #ifndef NET_SPDY_SPDY_SESSION_POOL_H_
 #define NET_SPDY_SPDY_SESSION_POOL_H_
 #pragma once
 
 #include <map>
 #include <list>
@@ skipping 17 matching lines @@
 typedef std::pair<HostPortPair, ProxyServer> HostPortProxyPair;
 
 class BoundNetLog;
 class ClientSocketHandle;
 class HttpNetworkSession;
 class SpdySession;
 
 // This is a very simple pool for open SpdySessions.
 // TODO(mbelshe): Make this production ready.
 class SpdySessionPool
-    : public NetworkChangeNotifier::Observer,
+    : public NetworkChangeNotifier::IPAddressObserver,
       public SSLConfigService::Observer {
  public:
   explicit SpdySessionPool(SSLConfigService* ssl_config_service);
   virtual ~SpdySessionPool();
 
   // Either returns an existing SpdySession or creates a new SpdySession for
   // use.
   scoped_refptr<SpdySession> Get(
       const HostPortProxyPair& host_port_proxy_pair,
       const BoundNetLog& net_log);
@@ skipping 37 matching lines @@
   // by SpdySession, because otherwise session->state_ is not set to CLOSED.
   void Remove(const scoped_refptr<SpdySession>& session);
 
   // Creates a Value summary of the state of the spdy session pool. The caller
   // responsible for deleting the returned value.
   Value* SpdySessionPoolInfoToValue() const;
 
   SpdySettingsStorage* mutable_spdy_settings() { return &spdy_settings_; }
   const SpdySettingsStorage& spdy_settings() const { return spdy_settings_; }
 
-  // NetworkChangeNotifier::Observer methods:
+  // NetworkChangeNotifier::IPAddressObserver methods:
 
   // We flush all idle sessions and release references to the active ones so
   // they won't get re-used.  The active ones will either complete successfully
   // or error out due to the IP address change.
   virtual void OnIPAddressChanged();
 
   // SSLConfigService::Observer methods:
 
   // We perform the same flushing as described above when SSL settings change.
   virtual void OnSSLConfigChanged();
@@ skipping 27 matching lines @@
   static bool g_force_single_domain;
 
   const scoped_refptr<SSLConfigService> ssl_config_service_;
 
   DISALLOW_COPY_AND_ASSIGN(SpdySessionPool);
 };
 
 }  // namespace net
 
 #endif  // NET_SPDY_SPDY_SESSION_POOL_H_