[Offline pages] Removes the functionality to get bookmark ID from offline URL

chrome/browser/android/offline_pages/offline_page_utils.cc

 // Copyright 2015 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/android/offline_pages/offline_page_utils.h"
 
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_piece.h"
 #include "base/strings/string_util.h"
 #include "chrome/browser/android/offline_pages/offline_page_mhtml_archiver.h"
@@ skipping 76 matching lines @@
     const GURL& offline_url) {
   const OfflinePageItem* offline_page =
       GetOfflinePageForOfflineURL(browser_context, offline_url);
   if (!offline_page)
     return GURL();
 
   return offline_page->url;
 }
 
 // static
-int64_t OfflinePageUtils::GetBookmarkIdForOfflineURL(
-    content::BrowserContext* browser_context,
-    const GURL& offline_url) {
-  const OfflinePageItem* offline_page =
-      GetOfflinePageForOfflineURL(browser_context, offline_url);
-  if (!offline_page)
-    return -1;
-
-  if (offline_page->client_id.name_space != offline_pages::kBookmarkNamespace) {
-    return -1;
-  }
-
-  int64_t result;
-  if (base::StringToInt64(offline_page->client_id.id, &result)) {
-    return result;
-  }
-  return -1;
-}
-
-// static
 bool OfflinePageUtils::IsOfflinePage(content::BrowserContext* browser_context,
                                      const GURL& offline_url) {
   return GetOfflinePageForOfflineURL(browser_context, offline_url) != nullptr;
 }
 
 // static
 bool OfflinePageUtils::HasOfflinePageForOnlineURL(
     content::BrowserContext* browser_context,
     const GURL& online_url) {
   const OfflinePageItem* offline_page =
@@ skipping 11 matching lines @@
   if (!offline_page)
     return;
 
   OfflinePageModel* offline_page_model =
       OfflinePageModelFactory::GetForBrowserContext(browser_context);
   DCHECK(offline_page_model);
   offline_page_model->MarkPageAccessed(offline_page->offline_id);
 }
 
 }  // namespace offline_pages