Move ReadFileToString to the base namespace.

chrome/browser/page_cycler/page_cycler.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/page_cycler/page_cycler.h"
 
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 74 matching lines @@
         base::Bind(&PageCycler::ReadURLsOnBackgroundThread, this));
 }
 
 void PageCycler::ReadURLsOnBackgroundThread() {
   CHECK(!content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
 
   std::string file_contents;
   std::vector<std::string> url_strings;
 
   CHECK(base::PathExists(urls_file_)) << urls_file_.value();
-  file_util::ReadFileToString(urls_file_, &file_contents);
+  base::ReadFileToString(urls_file_, &file_contents);
   base::SplitStringAlongWhitespace(file_contents, &url_strings);
 
   if (!url_strings.size()) {
 #if defined(OS_POSIX)
     error_.append(ASCIIToUTF16("Page Cycler: No URLs in given file: " +
         urls_file_.value()));
 #elif defined(OS_WIN)
     error_.append(ASCIIToUTF16("Page Cycler: No URLs in given file: "))
           .append(urls_file_.value());
 #endif  // OS_WIN
@@ skipping 152 matching lines @@
     aborted_ = true;
     error_.append(ASCIIToUTF16(
         "Browser was closed before the run was completed."));
     DLOG(WARNING) <<
         "Page Cycler: browser was closed before the run was completed.";
     content::BrowserThread::PostBlockingPoolTask(
         FROM_HERE,
         base::Bind(&PageCycler::PrepareResultsOnBackgroundThread, this));
   }
 }