(False positive) Revert of Track if a ReadingListEntry has been dismissed

components/reading_list/core/reading_list_entry.h

Index: components/reading_list/core/reading_list_entry.h
diff --git a/components/reading_list/core/reading_list_entry.h b/components/reading_list/core/reading_list_entry.h
index 878278b71e2aaf5ba4944721f45f31db0504902c..042cf05ca6b9bffec351cc85bc59b69e9795c98f 100644
--- a/components/reading_list/core/reading_list_entry.h
+++ b/components/reading_list/core/reading_list_entry.h
@@ -22,13 +22,6 @@
 // |ADDED_VIA_EXTENSION| is when the entry was added via the share extension.
 // |ADDED_VIA_SYNC| is when the entry was added with sync.
 enum EntrySource { ADDED_VIA_CURRENT_APP, ADDED_VIA_EXTENSION, ADDED_VIA_SYNC };
-
-// Contains additional data used by the ContentSuggestions.
-struct ContentSuggestionsExtra {
-  // Whether the Reading List Entry has been dismissed in the Content
-  // Suggestions.
-  bool dismissed = false;
-};
 }
 
 namespace sync_pb {
@@ -108,9 +101,6 @@
   // Returns if an entry has ever been seen.
   bool HasBeenSeen() const;
 
-  // Extra information about this entry for the Content Suggestions.
-  const reading_list::ContentSuggestionsExtra* ContentSuggestionsExtra() const;
-
   // The last update time of the entry. This value may be used to sort the
   // entries. The value is in microseconds since Jan 1st 1970.
   int64_t UpdateTime() const;
@@ -182,28 +172,23 @@
   // If |first_read_time_us_| is 0 and read is READ, sets |first_read_time_us_|
   // to |now|.
   void SetRead(bool read, const base::Time& now);
-  // Sets extra information about this entry used by Content Suggestions.
-  void SetContentSuggestionsExtra(
-      const reading_list::ContentSuggestionsExtra& extra);
 
  private:
   enum State { UNSEEN, UNREAD, READ };
-  ReadingListEntry(
-      const GURL& url,
-      const std::string& title,
-      State state,
-      int64_t creation_time,
-      int64_t first_read_time,
-      int64_t update_time,
-      int64_t update_title_time,
-      ReadingListEntry::DistillationState distilled_state,
-      const base::FilePath& distilled_path,
-      const GURL& distilled_url,
-      int64_t distillation_time,
-      int64_t distillation_size,
-      int failed_download_counter,
-      std::unique_ptr<net::BackoffEntry> backoff,
-      const reading_list::ContentSuggestionsExtra& content_suggestions_extra);
+  ReadingListEntry(const GURL& url,
+                   const std::string& title,
+                   State state,
+                   int64_t creation_time,
+                   int64_t first_read_time,
+                   int64_t update_time,
+                   int64_t update_title_time,
+                   ReadingListEntry::DistillationState distilled_state,
+                   const base::FilePath& distilled_path,
+                   const GURL& distilled_url,
+                   int64_t distillation_time,
+                   int64_t distillation_size,
+                   int failed_download_counter,
+                   std::unique_ptr<net::BackoffEntry> backoff);
   GURL url_;
   std::string title_;
   State state_;
@@ -224,8 +209,6 @@
   int64_t distillation_time_us_;
   int64_t distillation_size_;
 
-  reading_list::ContentSuggestionsExtra content_suggestions_extra_;
-
   DISALLOW_COPY_AND_ASSIGN(ReadingListEntry);
 };