Use Distilled path instead of DistilledURL.

ios/chrome/browser/reading_list/url_downloader_unittest.cc

Index: ios/chrome/browser/reading_list/url_downloader_unittest.cc
diff --git a/ios/chrome/browser/reading_list/url_downloader_unittest.cc b/ios/chrome/browser/reading_list/url_downloader_unittest.cc
index f71220b34b2672c67282038632950ec0399771d9..e5df3edc50d6fce3d3b3a99204fb668ce027bb2e 100644
--- a/ios/chrome/browser/reading_list/url_downloader_unittest.cc
+++ b/ios/chrome/browser/reading_list/url_downloader_unittest.cc
@@ -47,7 +47,7 @@ class MockURLDownloader : public URLDownloader {
                                  base::Unretained(this))) {}
 
   void RemoveOfflineFilesDirectory() {
-    base::DeleteFile(OfflineDirectoryPath(), true);
+    base::DeleteFile(OfflineRootDirectoryPath(), true);
   }
 
   void ClearCompletionTrackers() {
@@ -56,7 +56,7 @@ class MockURLDownloader : public URLDownloader {
   }
 
   bool CheckExistenceOfOfflineURLPagePath(const GURL& url) {
-    return base::PathExists(OfflineURLPagePath(url));
+    return base::PathExists(OfflinePageAbsolutePath(url));
   }
 
   void FakeWorking() { working_ = true; }
@@ -82,7 +82,7 @@ class MockURLDownloader : public URLDownloader {
 
   void OnEndDownload(const GURL& url,
                      SuccessState success,
-                     const GURL& distilledURL,
+                     const base::FilePath& distilled_path,
                      const std::string& title) {
     downloaded_files_.push_back(url);
   }