Fuchsia: Build an OS image that includes Dart's test suite.

runtime/bin/directory_fuchsia.cc

 // Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "platform/globals.h"
 #if defined(TARGET_OS_FUCHSIA)
 
 #include "bin/directory.h"
 
 #include <dirent.h>    // NOLINT
@@ skipping 100 matching lines @@
     path_length_ = listing->path_buffer().length();
   }
   // Reset.
   listing->path_buffer().Reset(path_length_);
   ResetLink();
 
   // Iterate the directory and post the directories and files to the
   // ports.
   errno = 0;
   dirent* entry = readdir(reinterpret_cast<DIR*>(lister_));
-  if (entry == NULL) {
-    perror("readdir failed: ");
-  }
   if (entry != NULL) {
     if (!listing->path_buffer().Add(entry->d_name)) {
       done_ = true;
       return kListError;
     }
     // TODO(MG-450): When entry->d_type is filled out correctly, we can avoid
     // this call to stat().
     struct stat64 entry_info;
     int stat_success;
     stat_success = NO_RETRY_EXPECTED(
@@ skipping 294 matching lines @@
   if (exists != EXISTS) {
     return false;
   }
   return (NO_RETRY_EXPECTED(rename(path, new_path)) == 0);
 }
 
 }  // namespace bin
 }  // namespace dart
 
 #endif  // defined(TARGET_OS_FUCHSIA)