Change file op |ssize_t|s to FileOperationResult

util/net/http_body_test_util.cc

 // 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,
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
 #include "util/net/http_body_test_util.h"
 
 #include <stdint.h>
 
 #include "base/memory/scoped_ptr.h"
 #include "gtest/gtest.h"
+#include "util/file/file_io.h"
 #include "util/net/http_body.h"
 
 namespace crashpad {
 namespace test {
 
 std::string ReadStreamToString(HTTPBodyStream* stream) {
   return ReadStreamToString(stream, 32);
 }
 
 std::string ReadStreamToString(HTTPBodyStream* stream, size_t buffer_size) {
   scoped_ptr<uint8_t[]> buf(new uint8_t[buffer_size]);
   std::string result;
 
-  ssize_t bytes_read;
+  FileOperationResult bytes_read;
   while ((bytes_read = stream->GetBytesBuffer(buf.get(), buffer_size)) != 0) {
     if (bytes_read < 0) {
       ADD_FAILURE() << "Failed to read from stream: " << bytes_read;
       return std::string();
     }
 
     result.append(reinterpret_cast<char*>(buf.get()), bytes_read);
   }
 
   return result;
 }
 
 }  // namespace test
 }  // namespace crashpad