Adjust callers and networking delegates in ios/ to modified APIs

ios/net/protocol_handler_util_unittest.mm

 // Copyright 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.
 
 #import "ios/net/protocol_handler_util.h"
 
 #include <memory>
 #include <utility>
 
 #include "base/mac/scoped_nsobject.h"
@@ skipping 132 matching lines @@
   void CheckDataResponse(NSURLResponse* response,
                          const std::string& mime_type,
                          const std::string& encoding) {
     EXPECT_NSEQ(base::SysUTF8ToNSString(mime_type), [response MIMEType]);
     EXPECT_NSEQ(base::SysUTF8ToNSString(encoding), [response textEncodingName]);
     // The response class must be NSURLResponse (and not NSHTTPURLResponse) when
     // the scheme is "data".
     EXPECT_TRUE([response isMemberOfClass:[NSURLResponse class]]);
   }
 
-  void OnResponseStarted(URLRequest* request) override {}
+  void OnResponseStarted(URLRequest* request, int net_error) override {}
   void OnReadCompleted(URLRequest* request, int bytes_read) override {}
 
  protected:
   base::MessageLoop loop_;
   URLRequestJobFactoryImpl job_factory_;
   std::unique_ptr<URLRequestContext> request_context_;
 };
 
 }  // namespace
 
@@ skipping 107 matching lines @@
   // Some headers are added by default if missing.
   const HttpRequestHeaders& headers = out_request->extra_request_headers();
   std::string header;
   EXPECT_TRUE(headers.GetHeader("Accept", &header));
   EXPECT_EQ("*/*", header);
   EXPECT_TRUE(headers.GetHeader("Content-Type", &header));
   EXPECT_EQ("application/x-www-form-urlencoded", header);
 }
 
 }  // namespace net