Fix Mac after FileOperationResult change

util/file/file_io_posix.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,
@@ skipping 10 matching lines @@
 #include "base/files/file_path.h"
 #include "base/logging.h"
 #include "base/numerics/safe_conversions.h"
 #include "base/posix/eintr_wrapper.h"
 
 namespace {
 
 struct ReadTraits {
   using VoidBufferType = void*;
   using CharBufferType = char*;
-  static FileOperationResult Operate(int fd,
-                                     CharBufferType buffer,
-                                     size_t size) {
+  static crashpad::FileOperationResult Operate(int fd,
+                                               CharBufferType buffer,
+                                               size_t size) {
     return read(fd, buffer, size);
   }
 };
 
 struct WriteTraits {
   using VoidBufferType = const void*;
   using CharBufferType = const char*;
-  static FileOperationResult Operate(int fd,
-                                     CharBufferType buffer,
-                                     size_t size) {
+  static crashpad::FileOperationResult Operate(int fd,
+                                               CharBufferType buffer,
+                                               size_t size) {
     return write(fd, buffer, size);
   }
 };
 
 template <typename Traits>
-FileOperationResult ReadOrWrite(int fd,
-                                typename Traits::VoidBufferType buffer,
-                                size_t size) {
+crashpad::FileOperationResult
+ReadOrWrite(int fd, typename Traits::VoidBufferType buffer, size_t size) {
   typename Traits::CharBufferType buffer_c =
       reinterpret_cast<typename Traits::CharBufferType>(buffer);
 
-  FileOperationResult total_bytes = 0;
+  crashpad::FileOperationResult total_bytes = 0;
   while (size > 0) {
-    FileOperationResult bytes =
+    crashpad::FileOperationResult bytes =
         HANDLE_EINTR(Traits::Operate(fd, buffer_c, size));
     if (bytes < 0) {
       return bytes;
     } else if (bytes == 0) {
       break;
     }
 
     buffer_c += bytes;
     size -= bytes;
     total_bytes += bytes;
@@ skipping 114 matching lines @@
   return true;
 }
 
 bool LoggingCloseFile(FileHandle file) {
   int rv = IGNORE_EINTR(close(file));
   PLOG_IF(ERROR, rv != 0) << "close";
   return rv == 0;
 }
 
 }  // namespace crashpad