mac: 10.11 SDK compatibility

util/net/http_transport_mac.mm

 // Copyright 2014 The Crashpad Authors. All rights reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
 //     http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
@@ skipping 163 matching lines @@
           forHTTPHeaderField:base::SysUTF8ToNSString(pair.first)];
     }
 
     HTTPBodyStreamCFReadStream body_stream_cf(body_stream());
     base::scoped_nsobject<NSInputStream> input_stream(
         body_stream_cf.CreateInputStream());
     [request setHTTPBodyStream:input_stream.get()];
 
     NSURLResponse* response = nil;
     NSError* error = nil;
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wdeprecated-declarations"
+    // Deprecated in OS X 10.11. The suggested replacement, NSURLSession, is
+    // only available on 10.9 and later, and this needs to run on earlier
+    // releases.
     NSData* body = [NSURLConnection sendSynchronousRequest:request
                                          returningResponse:&response
                                                      error:&error];
+#pragma clang diagnostic pop
 
     if (error) {
       LOG(ERROR) << [[error localizedDescription] UTF8String] << " ("
                  << [[error domain] UTF8String] << " " << [error code] << ")";
       return false;
     }
     if (!response) {
       LOG(ERROR) << "no response";
       return false;
     }
@@ skipping 20 matching lines @@
 }
 
 }  // namespace
 
 // static
 scoped_ptr<HTTPTransport> HTTPTransport::Create() {
   return scoped_ptr<HTTPTransport>(new HTTPTransportMac());
 }
 
 }  // namespace crashpad