[Mac] Remove more dead code from bookmark bar controller

chrome/browser/ui/cocoa/bookmarks/bookmark_bar_controller_unittest.mm

 // 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.
 
 #import <Cocoa/Cocoa.h>
 #include <stddef.h>
 #include <stdint.h>
 
 #include "base/command_line.h"
 #include "base/mac/mac_util.h"
@@ skipping 648 matching lines @@
 
   [bar_ updateState:BookmarkBar::SHOW
          changeType:BookmarkBar::DONT_ANIMATE_STATE_CHANGE];
   EXPECT_TRUE([bar_ dragShouldLockBarVisibility]);
 
   [bar_ updateState:BookmarkBar::DETACHED
          changeType:BookmarkBar::DONT_ANIMATE_STATE_CHANGE];
   EXPECT_FALSE([bar_ dragShouldLockBarVisibility]);
 }
 
-TEST_F(BookmarkBarControllerTest, TagMap) {
-  int64_t ids[] = {1, 3, 4, 40, 400, 4000, 800000000, 2, 123456789};
-  std::vector<int32_t> tags;
-
-  // Generate some tags
-  for (unsigned int i = 0; i < arraysize(ids); i++) {
-    tags.push_back([bar_ menuTagFromNodeId:ids[i]]);
-  }
-
-  // Confirm reverse mapping.
-  for (unsigned int i = 0; i < arraysize(ids); i++) {
-    EXPECT_EQ(ids[i], [bar_ nodeIdFromMenuTag:tags[i]]);
-  }
-
-  // Confirm uniqueness.
-  std::sort(tags.begin(), tags.end());
-  for (unsigned int i=0; i<(tags.size()-1); i++) {
-    EXPECT_NE(tags[i], tags[i+1]);
-  }
-}
-
 // Confirm openBookmark: forwards the request to the controller's delegate
 TEST_F(BookmarkBarControllerTest, OpenBookmark) {
   GURL gurl("http://walla.walla.ding.dong.com");
   std::unique_ptr<BookmarkNode> node(new BookmarkNode(gurl));
 
   base::scoped_nsobject<BookmarkButtonCell> cell(
       [[BookmarkButtonCell alloc] init]);
   [cell setBookmarkNode:node.get()];
   base::scoped_nsobject<BookmarkButton> button([[BookmarkButton alloc] init]);
   [button setCell:cell.get()];
@@ skipping 1474 matching lines @@
                              "2f3b ] 4b ");
   actual = bookmarks::test::ModelStringFromNode(root);
   EXPECT_EQ(expected, actual);
 
   // Verify that the other bookmark folder can't be deleted.
   BookmarkButton *otherButton = [bar_ otherBookmarksButton];
   EXPECT_FALSE([bar_ canDragBookmarkButtonToTrash:otherButton]);
 }
 
 }  // namespace