[Reading List iOS] Store distillation date and size.

ios/chrome/browser/reading_list/url_downloader_unittest.mm

Index: ios/chrome/browser/reading_list/url_downloader_unittest.mm
diff --git a/ios/chrome/browser/reading_list/url_downloader_unittest.mm b/ios/chrome/browser/reading_list/url_downloader_unittest.mm
index 8946833563e7ce42afb6edc36df725b28ea8c46f..d97b1a7584cd97659e068a51b1ecd153fdc91402 100644
--- a/ios/chrome/browser/reading_list/url_downloader_unittest.mm
+++ b/ios/chrome/browser/reading_list/url_downloader_unittest.mm
@@ -101,6 +101,7 @@ class MockURLDownloader : public URLDownloader {
       return;
     }
     original_url_ = url;
+    saved_size_ = 0;
     distiller_.reset(new DistillerViewerTest(
         url,
         base::Bind(&URLDownloader::DistillerCallback, base::Unretained(this)),
@@ -113,9 +114,12 @@ class MockURLDownloader : public URLDownloader {
                      const GURL& distilled_url,
                      SuccessState success,
                      const base::FilePath& distilled_path,
+                     int64_t size,
                      const std::string& title) {
     downloaded_files_.push_back(url);
-    DCHECK_EQ(distilled_url, redirect_url_);
+    // Saved data is the string "html".

[gambard, 2017/02/22 12:30:16]

No tests for images?

[Olivier, 2017/02/22 14:05:11]

Added an image "image"

+    EXPECT_EQ(size, 4);
+    EXPECT_EQ(distilled_url, redirect_url_);
   }
 
   void OnEndRemove(const GURL& url, bool success) {