Remove OfflineURL from offline page

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/bind.h"
 #include "base/location.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_piece.h"
 #include "base/strings/string_util.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "chrome/browser/android/offline_pages/offline_page_mhtml_archiver.h"
 #include "chrome/browser/android/offline_pages/offline_page_model_factory.h"
 #include "chrome/browser/android/offline_pages/offline_page_tab_helper.h"
 #include "chrome/browser/android/tab_android.h"
 #include "components/offline_pages/client_namespace_constants.h"
 #include "components/offline_pages/offline_page_feature.h"
 #include "components/offline_pages/offline_page_item.h"
 #include "components/offline_pages/offline_page_model.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/web_contents.h"
 #include "url/gurl.h"
 
 namespace offline_pages {
 namespace {
 
-// Returns an offline page that is stored as the |offline_url|.
-const OfflinePageItem* GetOfflinePageForOfflineURL(
-    content::BrowserContext* browser_context,
-    const GURL& offline_url) {
-  DCHECK(browser_context);
-
-  // Note that we first check if the url likely points to an offline page
-  // before calling GetPageByOfflineURL in order to avoid unnecessary lookup
-  // cost.
-  if (!OfflinePageUtils::MightBeOfflineURL(offline_url))
-    return nullptr;
-
-  OfflinePageModel* offline_page_model =
-      OfflinePageModelFactory::GetForBrowserContext(browser_context);
-  if (!offline_page_model)
-    return nullptr;
-
-  return offline_page_model->MaybeGetPageByOfflineURL(offline_url);
-}
-
-void OnGetPageByOfflineURLDone(
-    const base::Callback<void(const GURL&)>& callback,
-    const OfflinePageItem* item) {
-  GURL result_url;
-  if (item)
-    result_url = item->url;
-  callback.Run(result_url);
-}
-
 void OnGetPagesByOnlineURLDone(
     int tab_id,
     const base::Callback<void(const OfflinePageItem*)>& callback,
     const MultipleOfflinePageItemResult& pages) {
   const OfflinePageItem* selected_page = nullptr;
   std::string tab_id_str = base::IntToString(tab_id);
   for (const auto& offline_page : pages) {
     if (offline_page.client_id.name_space != kLastNNamespace ||
         offline_page.client_id.id == tab_id_str) {
       if (!selected_page ||
           offline_page.creation_time > selected_page->creation_time) {
         selected_page = &offline_page;
       }
     }
   }
   callback.Run(selected_page);
 }
 
 }  // namespace
 
 // static
-bool OfflinePageUtils::MightBeOfflineURL(const GURL& url) {
-  // It has to be a file URL ending with .mhtml extension.
-  return url.is_valid() && url.SchemeIsFile() &&
-         base::EndsWith(url.spec(),
-                        OfflinePageMHTMLArchiver::GetFileNameExtension(),
-                        base::CompareCase::INSENSITIVE_ASCII);
-}
-
-// static
-GURL OfflinePageUtils::MaybeGetOnlineURLForOfflineURL(
-    content::BrowserContext* browser_context,
-    const GURL& offline_url) {
-  const OfflinePageItem* offline_page =
-      GetOfflinePageForOfflineURL(browser_context, offline_url);
-  if (!offline_page)
-    return GURL();
-
-  return offline_page->url;
-}
-
-// static
 void OfflinePageUtils::SelectPageForOnlineURL(
     content::BrowserContext* browser_context,
     const GURL& online_url,
     int tab_id,
     const base::Callback<void(const OfflinePageItem*)>& callback) {
   OfflinePageModel* offline_page_model =
       OfflinePageModelFactory::GetForBrowserContext(browser_context);
   if (!offline_page_model) {
     base::ThreadTaskRunnerHandle::Get()->PostTask(
         FROM_HERE, base::Bind(callback, nullptr));
     return;
   }
 
   offline_page_model->GetPagesByOnlineURL(
       online_url, base::Bind(&OnGetPagesByOnlineURLDone, tab_id, callback));
 }
 
-// static
-void OfflinePageUtils::GetOnlineURLForOfflineURL(
-    content::BrowserContext* browser_context,
-    const GURL& offline_url,
-    const base::Callback<void(const GURL&)>& callback) {
-  OfflinePageModel* offline_page_model =
-      OfflinePageModelFactory::GetForBrowserContext(browser_context);
-  if (!offline_page_model) {
-    base::ThreadTaskRunnerHandle::Get()->PostTask(
-        FROM_HERE, base::Bind(&OnGetPageByOfflineURLDone, callback, nullptr));
-    return;
-  }
-
-  offline_page_model->GetPageByOfflineURL(
-      offline_url, base::Bind(&OnGetPageByOfflineURLDone, callback));
-}
-
-// static
-bool OfflinePageUtils::IsOfflinePage(content::BrowserContext* browser_context,
-                                     const GURL& offline_url) {
-  return GetOfflinePageForOfflineURL(browser_context, offline_url) != nullptr;
-}
-
-// static
-void OfflinePageUtils::MarkPageAccessed(
-    content::BrowserContext* browser_context, const GURL& offline_url) {
-  DCHECK(browser_context);
-
-  const OfflinePageItem* offline_page =
-      GetOfflinePageForOfflineURL(browser_context, offline_url);
-  if (!offline_page)
-    return;
-
-  OfflinePageModel* offline_page_model =
-      OfflinePageModelFactory::GetForBrowserContext(browser_context);
-  DCHECK(offline_page_model);
-  offline_page_model->MarkPageAccessed(offline_page->offline_id);
-}
-
 const OfflinePageItem* OfflinePageUtils::GetOfflinePageFromWebContents(
     content::WebContents* web_contents) {
   OfflinePageTabHelper* tab_helper =
       OfflinePageTabHelper::FromWebContents(web_contents);
   return tab_helper ? tab_helper->offline_page() : nullptr;
 }
 
 // static
 bool OfflinePageUtils::GetTabId(content::WebContents* web_contents,
                                 int* tab_id) {
   TabAndroid* tab_android = TabAndroid::FromWebContents(web_contents);
   if (!tab_android)
     return false;
   *tab_id = tab_android->GetAndroidId();
   return true;
 }
 
 }  // namespace offline_pages