bookmarks: Extract PerformBookmarkDrop() function out of bookmark_utils.h

chrome/browser/bookmarks/bookmark_utils.h

 // Copyright (c) 2012 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 CHROME_BROWSER_BOOKMARKS_BOOKMARK_UTILS_H_
 #define CHROME_BROWSER_BOOKMARKS_BOOKMARK_UTILS_H_
 
 #include <string>
 #include <vector>
 
 #include "base/string16.h"
 #include "chrome/browser/bookmarks/bookmark_editor.h"
 #include "chrome/browser/bookmarks/bookmark_node_data.h"
 #include "chrome/browser/history/snippet.h"
-#include "ui/gfx/native_widget_types.h"
 
 class BookmarkModel;
 class BookmarkNode;
 class PrefRegistrySyncable;
-class Profile;
-
-namespace content {
-class BrowserContext;
-}
-
-namespace ui {
-class DropTargetEvent;
-}
 
 // A collection of bookmark utility functions used by various parts of the UI
 // that show bookmarks: bookmark manager, bookmark bar view ...
 namespace bookmark_utils {
 
-// Performs a drop of bookmark data onto |parent_node| at |index|. Returns the
-// type of drop the resulted.
-int PerformBookmarkDrop(Profile* profile,
-                        const BookmarkNodeData& data,
-                        const BookmarkNode* parent_node,
-                        int index);
-
 // Clones bookmark node, adding newly created nodes to |parent| starting at
 // |index_to_add_at|.
 void CloneBookmarkNode(BookmarkModel* model,
                        const std::vector<BookmarkNodeData::Element>& elements,
                        const BookmarkNode* parent,
                        int index_to_add_at);
 
 // Copies nodes onto the clipboard. If |remove_nodes| is true the nodes are
 // removed after copied to the clipboard. The nodes are copied in such a way
 // that if pasted again copies are made.
@@ skipping 134 matching lines @@
 
 // Records the user opening a folder of bookmarks for UMA purposes.
 void RecordBookmarkFolderOpen(BookmarkLaunchLocation location);
 
 // Records the user opening the apps page for UMA purposes.
 void RecordAppsPageOpen(BookmarkLaunchLocation location);
 
 }  // namespace bookmark_utils
 
 #endif  // CHROME_BROWSER_BOOKMARKS_BOOKMARK_UTILS_H_