Create offline_url_utils

ios/chrome/browser/reading_list/reading_list_entry.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 "ios/chrome/browser/reading_list/reading_list_entry.h"
 
 #include "base/memory/ptr_util.h"
-
-namespace {
-// URL used to open offline pages.
-// This variable will be moved to chrome_url_constants.
-const char kChromeUIOfflineURL[] = "chrome://offline/";
-}
+#include "ios/chrome/browser/reading_list/offline_url_utils.h"
 
 // The backoff time is the following: 10min, 10min, 1h, 2h, 2h..., starting
 // after the first failure.
 const net::BackoffEntry::Policy ReadingListEntry::kBackoffPolicy = {
     // Number of initial errors (in sequence) to ignore before applying
     // exponential back-off rules.
     2,
 
     // Initial delay for exponential back-off in ms.
     10 * 60 * 1000,  // 10 minutes.
@@ skipping 54 matching lines @@
 
 ReadingListEntry::DistillationState ReadingListEntry::DistilledState() const {
   return distilled_state_;
 }
 
 const base::FilePath& ReadingListEntry::DistilledPath() const {
   return distilled_path_;
 }
 
 const GURL ReadingListEntry::DistilledURL() const {
-  if (distilled_path_.empty()) {
-    return GURL();
-  }
-  return GURL(kChromeUIOfflineURL + distilled_path_.value());
+  return reading_list::DistilledURLForPath(distilled_path_);
 }
 
 base::TimeDelta ReadingListEntry::TimeUntilNextTry() const {
   return backoff_->GetTimeUntilRelease();
 }
 
 int ReadingListEntry::FailedDownloadCounter() const {
   return failed_download_counter_;
 }
 
@@ skipping 30 matching lines @@
   // non-error state to an error state.
   if ((distilled_state == WILL_RETRY || distilled_state == ERROR) &&
       distilled_state_ != WILL_RETRY && distilled_state_ != ERROR) {
     backoff_->InformOfRequest(false);
     failed_download_counter_++;
   }
 
   distilled_state_ = distilled_state;
   distilled_path_ = base::FilePath();
 }