components: Remove use of MessageLoopProxy and deprecated MessageLoop APIs

components/enhanced_bookmarks/enhanced_bookmark_model.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/enhanced_bookmarks/enhanced_bookmark_model.h"
 
 #include <iomanip>
 #include <sstream>
 
 #include "base/base64.h"
+#include "base/location.h"
 #include "base/logging.h"
-#include "base/message_loop/message_loop_proxy.h"
 #include "base/rand_util.h"
+#include "base/single_thread_task_runner.h"
 #include "base/strings/string_number_conversions.h"
+#include "base/thread_task_runner_handle.h"
 #include "components/bookmarks/browser/bookmark_model.h"
 #include "components/bookmarks/browser/bookmark_node.h"
 #include "components/enhanced_bookmarks/enhanced_bookmark_model_observer.h"
 #include "components/enhanced_bookmarks/proto/metadata.pb.h"
 #include "ui/base/models/tree_node_iterator.h"
 #include "url/gurl.h"
 
 using bookmarks::BookmarkModel;
 using bookmarks::BookmarkNode;
 
@@ skipping 366 matching lines @@
   for (int i = 0; i < node->child_count(); i++) {
     RemoveNodeFromMaps(node->GetChild(i));
   }
   std::string remote_id = GetRemoteId(node);
   id_map_.erase(remote_id);
   nodes_to_reset_.erase(node);
 }
 
 void EnhancedBookmarkModel::ScheduleResetDuplicateRemoteIds() {
   if (!nodes_to_reset_.empty()) {
-    base::MessageLoopProxy::current()->PostTask(
-        FROM_HERE,
-        base::Bind(&EnhancedBookmarkModel::ResetDuplicateRemoteIds,
-                   weak_ptr_factory_.GetWeakPtr()));
+    base::ThreadTaskRunnerHandle::Get()->PostTask(
+        FROM_HERE, base::Bind(&EnhancedBookmarkModel::ResetDuplicateRemoteIds,
+                              weak_ptr_factory_.GetWeakPtr()));
   }
 }
 
 void EnhancedBookmarkModel::ResetDuplicateRemoteIds() {
   for (NodeToIdMap::iterator it = nodes_to_reset_.begin();
        it != nodes_to_reset_.end();
        ++it) {
     BookmarkNode::MetaInfoMap meta_info;
     meta_info[kIdKey] = "";
     meta_info[kOldIdKey] = it->second;
@@ skipping 112 matching lines @@
   if (!result)
     return false;
 
   std::string encoded;
   base::Base64Encode(output, &encoded);
   bookmark_model_->SetNodeMetaInfo(node, kImageDataKey, encoded);
   return true;
 }
 
 }  // namespace enhanced_bookmarks