Adjust callers and networking delegates in ios/ to modified APIs

ios/chrome/browser/net/ios_chrome_network_delegate.h

 // Copyright 2015 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 IOS_CHROME_BROWSER_NET_IOS_CHROME_NETWORK_DELEGATE_H_
 #define IOS_CHROME_BROWSER_NET_IOS_CHROME_NETWORK_DELEGATE_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 32 matching lines @@
   // Binds the pref members to |pref_service| and moves them to the IO thread.
   // This method should be called on the UI thread.
   static void InitializePrefsOnUIThread(BooleanPrefMember* enable_do_not_track,
                                         PrefService* pref_service);
 
  private:
   // NetworkDelegate implementation.
   int OnBeforeURLRequest(net::URLRequest* request,
                          const net::CompletionCallback& callback,
                          GURL* new_url) override;
-  void OnCompleted(net::URLRequest* request, bool started) override;
+  void OnCompleted(net::URLRequest* request,
+                   bool started,
+                   int net_error) override;
   net::NetworkDelegate::AuthRequiredResponse OnAuthRequired(
       net::URLRequest* request,
       const net::AuthChallengeInfo& auth_info,
       const AuthCallback& callback,
       net::AuthCredentials* credentials) override;
   bool OnCanGetCookies(const net::URLRequest& request,
                        const net::CookieList& cookie_list) override;
   bool OnCanSetCookie(const net::URLRequest& request,
                       const std::string& cookie_line,
                       net::CookieOptions* options) override;
   bool OnCanAccessFile(const net::URLRequest& request,
                        const base::FilePath& path) const override;
   bool OnCanEnablePrivacyMode(
       const GURL& url,
       const GURL& first_party_for_cookies) const override;
   bool OnCancelURLRequestWithPolicyViolatingReferrerHeader(
       const net::URLRequest& request,
       const GURL& target_url,
       const GURL& referrer_url) const override;
 
   scoped_refptr<content_settings::CookieSettings> cookie_settings_;
 
   // Weak, owned by our owner.
   BooleanPrefMember* enable_do_not_track_;
 
   DISALLOW_COPY_AND_ASSIGN(IOSChromeNetworkDelegate);
 };
 
 #endif  // IOS_CHROME_BROWSER_NET_IOS_CHROME_NETWORK_DELEGATE_H_