update to libbase-242728

BUG=chromium:331128
TEST=`FEATURES=test emerge-x86-alex platform2` works
TEST=`cbuildbot chromiumos-sdk` works
CQ-DEPEND=CL:185131

Change-Id: Ia03a6ea7aaf6b4ee5d9c512ebf7080c0c28920f1
Reviewed-on: https://chromium-review.googlesource.com/185150
Reviewed-by: Ben Chan <benchan@chromium.org>
Commit-Queue: Mike Frysinger <vapier@chromium.org>
Tested-by: Mike Frysinger <vapier@chromium.org>
diff --git a/crash_reporter/kernel_warning_collector.cc b/crash_reporter/kernel_warning_collector.cc
index b504f49..f8188c7 100644
--- a/crash_reporter/kernel_warning_collector.cc
+++ b/crash_reporter/kernel_warning_collector.cc
@@ -6,9 +6,9 @@
 
 #include "base/file_util.h"
 #include "base/logging.h"
-#include "base/string_number_conversions.h"
-#include "base/string_util.h"
-#include "base/stringprintf.h"
+#include "base/strings/string_number_conversions.h"
+#include "base/strings/string_util.h"
+#include "base/strings/stringprintf.h"
 
 namespace {
 const char kExecName[] = "kernel-warning";
@@ -18,6 +18,9 @@
 const uid_t kRootUid = 0;
 }  // namespace
 
+using base::FilePath;
+using base::StringPrintf;
+
 KernelWarningCollector::KernelWarningCollector() {
 }
 
@@ -27,7 +30,7 @@
 bool KernelWarningCollector::LoadKernelWarning(std::string *content,
                                                std::string *hash_string) {
   FilePath kernel_warning_path(kKernelWarningPath);
-  if (!file_util::ReadFileToString(kernel_warning_path, content)) {
+  if (!base::ReadFileToString(kernel_warning_path, content)) {
     LOG(ERROR) << "Could not open " << kKernelWarningPath;
     return false;
   }