crash-reporter: Update to build against libchrome-271506.

BUG=chromium:375032
TEST=`FEATURES=test emerge-$BOARD platform2`

Change-Id: I3984dee513690711e277e5fa8939ca5f7910d180
Reviewed-on: https://chromium-review.googlesource.com/201184
Tested-by: Ben Chan <benchan@chromium.org>
Commit-Queue: Ben Chan <benchan@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
diff --git a/crash_reporter/kernel_warning_collector.cc b/crash_reporter/kernel_warning_collector.cc
index 34d29a5..a186e9f 100644
--- a/crash_reporter/kernel_warning_collector.cc
+++ b/crash_reporter/kernel_warning_collector.cc
@@ -77,7 +77,7 @@
   FilePath kernel_crash_path = root_crash_directory.Append(
       StringPrintf("%s.kcrash", dump_basename.c_str()));
 
-  // We must use WriteNewFile instead of file_util::WriteFile as we
+  // We must use WriteNewFile instead of base::WriteFile as we
   // do not want to write with root access to a symlink that an attacker
   // might have created.
   if (WriteNewFile(kernel_crash_path,