Move BookmarkIndex into bookmarks namespace.

components/bookmarks/browser/bookmark_index.h

 // 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.
 
 #ifndef COMPONENTS_BOOKMARKS_BROWSER_BOOKMARK_INDEX_H_
 #define COMPONENTS_BOOKMARKS_BROWSER_BOOKMARK_INDEX_H_
 
 #include <map>
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/strings/string16.h"
 #include "components/query_parser/query_parser.h"
 
 class BookmarkClient;
 class BookmarkNode;
 struct BookmarkMatch;
 
+namespace bookmarks {
+
 // BookmarkIndex maintains an index of the titles and URLs of bookmarks for
 // quick look up. BookmarkIndex is owned and maintained by BookmarkModel, you
 // shouldn't need to interact directly with BookmarkIndex.
 //
 // BookmarkIndex maintains the index (index_) as a map of sets. The map (type
 // Index) maps from a lower case string to the set (type NodeSet) of
 // BookmarkNodes that contain that string in their title or URL.
 class BookmarkIndex {
  public:
   // |index_urls| says whether URLs should be stored in the index in addition
@@ skipping 79 matching lines @@
 
   // Languages used to help parse IDNs in URLs for the bookmark index.
   const std::string languages_;
 
   // True if URLs are stored in the index as well as bookmark titles.
   const bool index_urls_;
 
   DISALLOW_COPY_AND_ASSIGN(BookmarkIndex);
 };
 
+}  // namespace bookmarks
+
 #endif  // COMPONENTS_BOOKMARKS_BROWSER_BOOKMARK_INDEX_H_