Move ReadFileToString to the base namespace.

chrome/browser/nacl_host/nacl_browser.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/nacl_host/nacl_browser.h"
 
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/message_loop/message_loop.h"
 #include "base/metrics/histogram.h"
@@ skipping 68 matching lines @@
 bool CheckEnvVar(const char* name, bool default_value) {
   bool result = default_value;
   const char* var = getenv(name);
   if (var && strlen(var) > 0) {
     result = var[0] != '0';
   }
   return result;
 }
 
 void ReadCache(const base::FilePath& filename, std::string* data) {
-  if (!file_util::ReadFileToString(filename, data)) {
+  if (!base::ReadFileToString(filename, data)) {
     // Zero-size data used as an in-band error code.
     data->clear();
   }
 }
 
 void WriteCache(const base::FilePath& filename, const Pickle* pickle) {
   file_util::WriteFile(filename, static_cast<const char*>(pickle->data()),
                        pickle->size());
 }
 
@@ skipping 492 matching lines @@
 }
 
 bool NaClBrowser::IsThrottled() {
   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::IO));
   if (crash_times_.size() != kMaxCrashesPerInterval) {
     return false;
   }
   base::TimeDelta delta = base::Time::Now() - crash_times_.front();
   return delta.InSeconds() <= kCrashesIntervalInSeconds;
 }