Move handling of invalid referrer to the network delegate

chrome/browser/net/chrome_network_delegate.h

 // Copyright (c) 2012 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 CHROME_BROWSER_NET_CHROME_NETWORK_DELEGATE_H_
 #define CHROME_BROWSER_NET_CHROME_NETWORK_DELEGATE_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 243 matching lines @@
   virtual bool OnCanAccessFile(const net::URLRequest& request,
                                const base::FilePath& path) const OVERRIDE;
   virtual bool OnCanThrottleRequest(
       const net::URLRequest& request) const OVERRIDE;
   virtual bool OnCanEnablePrivacyMode(
       const GURL& url,
       const GURL& first_party_for_cookies) const OVERRIDE;
   virtual int OnBeforeSocketStreamConnect(
       net::SocketStream* stream,
       const net::CompletionCallback& callback) OVERRIDE;
+  virtual bool OnCancelURLRequestWithPolicyViolatingReferrerHeader(
+      const net::URLRequest& request,
+      const GURL& target_url,
+      const GURL& referrer_url) const OVERRIDE;
 
   void AccumulateContentLength(
       int64 received_payload_byte_count,
       int64 original_payload_byte_count,
       data_reduction_proxy::DataReductionProxyRequestType request_type);
 
   scoped_ptr<ChromeExtensionsNetworkDelegate> extensions_delegate_;
 
   void* profile_;
   base::FilePath profile_path_;
@@ skipping 46 matching lines @@
   data_reduction_proxy::DataReductionProxyAuthRequestHandler*
   data_reduction_proxy_auth_request_handler_;
 
   OnResolveProxyHandler on_resolve_proxy_handler_;
   ProxyConfigGetter proxy_config_getter_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeNetworkDelegate);
 };
 
 #endif  // CHROME_BROWSER_NET_CHROME_NETWORK_DELEGATE_H_