Convert base::file_util to use File instead of PlatformFile.

chrome/browser/chromeos/extensions/echo_private_api.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/chromeos/extensions/echo_private_api.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/file_util.h"
@@ skipping 152 matching lines @@
 
 // Get the OOBE timestamp from file /home/chronos/.oobe_completed.
 // The timestamp is used to determine when the user first activates the device.
 // If we can get the timestamp info, return it as yyyy-mm-dd, otherwise, return
 // an empty string.
 bool EchoPrivateGetOobeTimestampFunction::GetOobeTimestampOnFileThread() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
 
   const char kOobeTimestampFile[] = "/home/chronos/.oobe_completed";
   std::string timestamp = "";
-  base::PlatformFileInfo fileInfo;
+  base::File::Info fileInfo;
   if (base::GetFileInfo(base::FilePath(kOobeTimestampFile), &fileInfo)) {
     base::Time::Exploded ctime;
     fileInfo.creation_time.UTCExplode(&ctime);
     timestamp += base::StringPrintf("%u-%u-%u",
                                     ctime.year,
                                     ctime.month,
                                     ctime.day_of_month);
   }
   results_ = echo_api::GetOobeTimestamp::Results::Create(timestamp);
   return true;
@@ skipping 90 matching lines @@
 void EchoPrivateGetUserConsentFunction::Finalize(bool consent) {
   // Consent should not be true if offers redeeming is disabled.
   CHECK(redeem_offers_allowed_ || !consent);
   results_ = echo_api::GetUserConsent::Results::Create(consent);
   SendResponse(true);
 
   // Release the reference added in |OnRedeemOffersAllowedChecked|, before
   // showing the dialog.
   Release();
 }