Move bookmarks' test support file to the bookmarks component

chrome/browser/ui/views/bookmarks/bookmark_menu_delegate_unittest.cc

 // Copyright 2013 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 "chrome/browser/ui/views/bookmarks/bookmark_menu_delegate.h"
 
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/bookmarks/bookmark_model_factory.h"
 #include "chrome/browser/bookmarks/bookmark_stats.h"
-#include "chrome/browser/bookmarks/bookmark_test_helpers.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/test/base/browser_with_test_window_test.h"
 #include "chrome/test/base/testing_profile.h"
 #include "components/bookmarks/core/browser/bookmark_model.h"
+#include "components/bookmarks/core/tests/bookmark_test_helpers.h"
 #include "ui/views/controls/menu/menu_item_view.h"
 #include "ui/views/controls/menu/menu_runner.h"
 #include "ui/views/controls/menu/submenu_view.h"
 
 using base::ASCIIToUTF16;
 
 class BookmarkMenuDelegateTest : public BrowserWithTestWindowTest {
  public:
   BookmarkMenuDelegateTest() : model_(NULL) {}
 
@@ skipping 194 matching lines @@
   EXPECT_EQ(1, root_item->GetSubmenu()->GetMenuItemCount());
   EXPECT_EQ(1, root_item->GetSubmenu()->child_count());  // No separator.
 
   // Verify correct handling of integer overflow with range, set kint32max as
   // maximum and 1 less as minimum.  Only "a" item should be created.
   NewAndInitDelegateForPermanent(kint32max - 1, kint32max);
   root_item = bookmark_menu_delegate_->menu();
   EXPECT_EQ(1, root_item->GetSubmenu()->GetMenuItemCount());
   EXPECT_EQ(1, root_item->GetSubmenu()->child_count());  // No separator.
 }