Remove all remaining traces of MessageLoopProxy.

chrome/browser/printing/cloud_print/privet_url_fetcher.cc

 // Copyright 2013 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/printing/cloud_print/privet_url_fetcher.h"
 
 #include <stdint.h>
 
 #include <algorithm>
 #include <limits>
@@ skipping 153 matching lines @@
       url_fetcher_->AddExtraRequestHeader(
           std::string(kXPrivetTokenHeaderPrefix) + token);
 
     if (has_byte_range_) {
       url_fetcher_->AddExtraRequestHeader(
           MakeRangeHeader(byte_range_start_, byte_range_end_));
     }
 
     if (make_response_file_) {
       url_fetcher_->SaveResponseToTemporaryFile(
-          content::BrowserThread::GetMessageLoopProxyForThread(
+          content::BrowserThread::GetTaskRunnerForThread(
               content::BrowserThread::FILE));
     }
 
     // URLFetcher requires us to set upload data for POST requests.
     if (request_type_ == net::URLFetcher::POST) {
       if (!upload_file_path_.empty()) {
         url_fetcher_->SetUploadFilePath(
             upload_content_type_, upload_file_path_, 0 /*offset*/,
             std::numeric_limits<uint64_t>::max() /*length*/,
-            content::BrowserThread::GetMessageLoopProxyForThread(
+            content::BrowserThread::GetTaskRunnerForThread(
                 content::BrowserThread::FILE));
       } else {
         url_fetcher_->SetUploadData(upload_content_type_, upload_data_);
       }
     }
 
     url_fetcher_->Start();
   } else {
     delegate_->OnError(this, UNKNOWN_ERROR);
   }
@@ skipping 186 matching lines @@
 }
 
 bool PrivetURLFetcher::PrivetErrorTransient(const std::string& error) {
   return (error == kPrivetErrorDeviceBusy) ||
          (error == kPrivetV3ErrorDeviceBusy) ||
          (error == kPrivetErrorPendingUserAction) ||
          (error == kPrivetErrorPrinterBusy);
 }
 
 }  // namespace cloud_print