[Offline pages] Removing bookmarks dependency from offline pages component

chrome/browser/net/net_error_tab_helper.cc

 // 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.
 
 #include "chrome/browser/net/net_error_tab_helper.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/io_thread.h"
@@ skipping 290 matching lines @@
   if (!offline_pages::IsOfflinePagesEnabled())
     return;
 
   offline_pages::OfflinePageModel* offline_page_model =
       offline_pages::OfflinePageModelFactory::GetForBrowserContext(
           web_contents()->GetBrowserContext());
   if (!offline_page_model)
     return;
 
   offline_page_model->HasPages(
-      offline_pages::BOOKMARK_NAMESPACE,
+      offline_pages::kBookmarkNamespace,
       base::Bind(&NetErrorTabHelper::SetHasOfflinePages,
                  weak_factory_.GetWeakPtr(),
                  render_frame_host->GetFrameTreeNodeId()));
 }
 
 void NetErrorTabHelper::SetHasOfflinePages(int frame_tree_node_id,
                                            bool has_offline_pages) {
   content::RenderFrameHost* render_frame_host =
       web_contents()->FindFrameByFrameTreeNodeId(frame_tree_node_id);
   if (render_frame_host == nullptr)
@@ skipping 16 matching lines @@
 
 bool NetErrorTabHelper::IsFromErrorPage() const {
   content::NavigationEntry* entry =
       web_contents()->GetController().GetLastCommittedEntry();
   return entry && (entry->GetPageType() == content::PAGE_TYPE_ERROR);
 }
 
 #endif  // BUILDFLAG(ANDROID_JAVA_UI)
 
 }  // namespace chrome_browser_net