base::Bind: Convert net::NetworkDelegate.

chrome/browser/net/chrome_network_delegate.h

Index: chrome/browser/net/chrome_network_delegate.h
diff --git a/chrome/browser/net/chrome_network_delegate.h b/chrome/browser/net/chrome_network_delegate.h
index 3d5d72aaa7d9d90f99068c1b93a265e947a4ac58..b7f92f7033f9e5e847631308231d594254d94147 100644
--- a/chrome/browser/net/chrome_network_delegate.h
+++ b/chrome/browser/net/chrome_network_delegate.h
@@ -45,18 +45,18 @@ class ChromeNetworkDelegate : public net::NetworkDelegate {
                                          PrefService* pref_service);
 
  private:
-  // NetworkDelegate methods:
+  // NetworkDelegate implementation.
   virtual int OnBeforeURLRequest(net::URLRequest* request,
-                                 net::OldCompletionCallback* callback,
+                                 const net::CompletionCallback& callback,
                                  GURL* new_url) OVERRIDE;
   virtual int OnBeforeSendHeaders(net::URLRequest* request,
-                                  net::OldCompletionCallback* callback,
+                                  const net::CompletionCallback& callback,
                                   net::HttpRequestHeaders* headers) OVERRIDE;
   virtual void OnSendHeaders(net::URLRequest* request,
                              const net::HttpRequestHeaders& headers) OVERRIDE;
   virtual int OnHeadersReceived(
       net::URLRequest* request,
-      net::OldCompletionCallback* callback,
+      const net::CompletionCallback& callback,
       net::HttpResponseHeaders* original_response_headers,
       scoped_refptr<net::HttpResponseHeaders>* override_response_headers)
       OVERRIDE;