components: Remove use of MessageLoopProxy and deprecated MessageLoop APIs

components/google/core/browser/google_url_tracker.cc

 // Copyright 2014 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 "components/google/core/browser/google_url_tracker.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
+#include "base/location.h"
 #include "base/prefs/pref_service.h"
+#include "base/single_thread_task_runner.h"
 #include "base/strings/string_util.h"
+#include "base/thread_task_runner_handle.h"
 #include "components/google/core/browser/google_pref_names.h"
 #include "components/google/core/browser/google_switches.h"
 #include "components/google/core/browser/google_util.h"
 #include "net/base/load_flags.h"
 #include "net/url_request/url_fetcher.h"
 #include "net/url_request/url_request_status.h"
 
 
 const char GoogleURLTracker::kDefaultGoogleHomepage[] =
     "https://www.google.com/";
@@ skipping 18 matching lines @@
   // fetch can eat up 20 ms of time, we delay five seconds, which is hopefully
   // long enough to be after startup, but still get results back quickly.
   // Ideally, instead of this timer, we'd do something like "check if the
   // browser is starting up, and if so, come back later", but there is currently
   // no function to do this.
   //
   // In UNIT_TEST_MODE, where we want to explicitly control when the tracker
   // "wakes up", we do nothing at all.
   if (mode == NORMAL_MODE) {
     static const int kStartFetchDelayMS = 5000;
-    base::MessageLoop::current()->PostDelayedTask(FROM_HERE,
-        base::Bind(&GoogleURLTracker::FinishSleep,
-                   weak_ptr_factory_.GetWeakPtr()),
+    base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
+        FROM_HERE, base::Bind(&GoogleURLTracker::FinishSleep,
+                              weak_ptr_factory_.GetWeakPtr()),
         base::TimeDelta::FromMilliseconds(kStartFetchDelayMS));
   }
 }
 
 GoogleURLTracker::~GoogleURLTracker() {
 }
 
 void GoogleURLTracker::RequestServerCheck(bool force) {
   // If this instance already has a fetcher, SetNeedToFetch() is unnecessary,
   // and changing |already_fetched_| is wrong.
@@ skipping 102 matching lines @@
   // Also retry kMaxRetries times on network change errors. A network change can
   // propagate through Chrome in various stages, so it's possible for this code
   // to be reached via OnNetworkChanged(), and then have the fetch we kick off
   // be canceled due to e.g. the DNS server changing at a later time. In general
   // it's not possible to ensure that by the time we reach here any requests we
   // start won't be canceled in this fashion, so retrying is the best we can do.
   fetcher_->SetAutomaticallyRetryOnNetworkChanges(kMaxRetries);
 
   fetcher_->Start();
 }