Pass the NetworkChangeNotifier to HostResolver.

This requires the following refactors:
  (1) NetworkChangeNotifier moves out of HttpNetworkSession into IOThread.
  (2) HostResolver gets initialized with NetworkChangeNotifier.
  (3) NetworkChangeNotifier needs to get passed into HttpCache and HttpNetworkSession (required updating a lot of files).
  (4) NetworkChangeNotifier is no longer reference counted.  It is owned by IOThread.
  (5) IOThread gains a new struct: Globals.  It can only be used on the io thread.
  (6) ChromeURLRequestContextFactory uses IOThread::Globals to initialize ChromeURLRequest objects with the host resolver and network change notifier.
BUG=26159

Review URL: http://codereview.chromium.org/552117

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@38052 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 3 insertions, 1 deletions

diff --git a/net/http/http_network_session.h b/net/http/http_network_session.h
index 684da16..32bcdee 100644
--- a/net/http/http_network_session.h
+++ b/net/http/http_network_session.h
@@ -17,11 +17,13 @@ namespace net {
 
 class ClientSocketFactory;
 class FlipSessionPool;
+class NetworkChangeNotifier;
 
 // This class holds session objects used by HttpNetworkTransaction objects.
 class HttpNetworkSession : public base::RefCounted<HttpNetworkSession> {
  public:
   HttpNetworkSession(
+      NetworkChangeNotifier* network_change_notifier,
       HostResolver* host_resolver,
       ProxyService* proxy_service,
       ClientSocketFactory* client_socket_factory,
@@ -75,7 +77,7 @@ class HttpNetworkSession : public base::RefCounted<HttpNetworkSession> {
 
   HttpAuthCache auth_cache_;
   SSLClientAuthCache ssl_client_auth_cache_;
-  const scoped_refptr<NetworkChangeNotifier> network_change_notifier_;
+  NetworkChangeNotifier* const network_change_notifier_;
   scoped_refptr<TCPClientSocketPool> tcp_socket_pool_;
   ClientSocketFactory* socket_factory_;
   scoped_refptr<HostResolver> host_resolver_;