Switch to standard integer types in components/, part 1 of 4.

components/enhanced_bookmarks/item_position.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_ENHANCED_BOOKMARKS_ITEM_POSITION_H_
 #define COMPONENTS_ENHANCED_BOOKMARKS_ITEM_POSITION_H_
 
+#include <stddef.h>
+
 #include <string>
 #include <vector>
 
 namespace enhanced_bookmarks {
 
 // Convenience class for generating string based relative ordering between
 // bookmark nodes.
 class ItemPosition {
  public:
   ~ItemPosition();
@@ skipping 30 matching lines @@
                                           const PositionVector& after);
   static PositionVector CreateAfterImpl(const PositionVector& after,
                                         size_t from_index);
 
   PositionVector position_;
 };
 
 }  // namespace enhanced_bookmarks
 
 #endif  // COMPONENTS_ENHANCED_BOOKMARKS_ITEM_POSITION_H_