Move all components/offline_pages/ files into component/offline_pages/core

chrome/browser/ntp_snippets/download_suggestions_provider_unittest.cc

 // Copyright 2016 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/ntp_snippets/download_suggestions_provider.h"
 
 #include <memory>
 
 #include "base/bind.h"
 #include "base/observer_list.h"
 #include "base/strings/string_number_conversions.h"
 #include "chrome/browser/ntp_snippets/fake_download_item.h"
 #include "components/ntp_snippets/category.h"
 #include "components/ntp_snippets/category_factory.h"
 #include "components/ntp_snippets/mock_content_suggestions_provider_observer.h"
 #include "components/ntp_snippets/offline_pages/offline_pages_test_utils.h"
-#include "components/offline_pages/client_namespace_constants.h"
+#include "components/offline_pages/core/client_namespace_constants.h"
 #include "components/prefs/testing_pref_service.h"
 #include "content/public/test/mock_download_item.h"
 #include "content/public/test/mock_download_manager.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using content::DownloadItem;
 using content::MockDownloadManager;
 using ntp_snippets::Category;
 using ntp_snippets::CategoryFactory;
 using ntp_snippets::ContentSuggestion;
@@ skipping 894 matching lines @@
   IgnoreOnSuggestionInvalidated();
 
   *(downloads_manager()->mutable_items()) = CreateDummyAssetDownloads({1, 2});
   EXPECT_CALL(
       *observer(),
       OnNewSuggestions(_, downloads_category(),
                        UnorderedElementsAre(HasUrl("http://download.com/1"),
                                             HasUrl("http://download.com/2"))));
   CreateProvider(/*show_assets=*/true, /*show_offline_pages=*/false);
 }