bookmarks: Move BookmarkModelObserver into 'bookmarks' namespace.

components/bookmarks/browser/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/bookmarks/browser/bookmark_model.h"
 
 #include <algorithm>
 #include <functional>
 
 #include "base/bind.h"
@@ skipping 13 matching lines @@
 #include "grit/components_strings.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/gfx/favicon_size.h"
 
 using base::Time;
 using bookmarks::BookmarkClient;
 using bookmarks::BookmarkExpandedStateTracker;
 using bookmarks::BookmarkIndex;
 using bookmarks::BookmarkLoadDetails;
 using bookmarks::BookmarkMatch;
+using bookmarks::BookmarkModelObserver;
 using bookmarks::BookmarkNodeData;
 using bookmarks::BookmarkStorage;
 
 namespace {
 
 // Helper to get a mutable bookmark node.
 BookmarkNode* AsMutable(const BookmarkNode* node) {
   return const_cast<BookmarkNode*>(node);
 }
 
@@ skipping 975 matching lines @@
   BookmarkPermanentNode* mobile_node =
       CreatePermanentNode(BookmarkNode::MOBILE);
   return scoped_ptr<BookmarkLoadDetails>(new BookmarkLoadDetails(
       bb_node,
       other_node,
       mobile_node,
       client_->GetLoadExtraNodesCallback(),
       new BookmarkIndex(client_, accept_languages),
       next_node_id_));
 }