Refactor Clipboard Last Modified Time Storage

components/open_from_clipboard/clipboard_recent_content_generic.h

Index: components/open_from_clipboard/clipboard_recent_content_generic.h
diff --git a/components/open_from_clipboard/clipboard_recent_content_generic.h b/components/open_from_clipboard/clipboard_recent_content_generic.h
index 60024dc5b9c55639d7337e415d83ccb51a486b54..c0b8704742a4821dd03ba72604bcdbca0a598f40 100644
--- a/components/open_from_clipboard/clipboard_recent_content_generic.h
+++ b/components/open_from_clipboard/clipboard_recent_content_generic.h
@@ -27,11 +27,6 @@ class ClipboardRecentContentGeneric : public ClipboardRecentContent {
   void SuppressClipboardContent() override;
 
  private:
-  // When told to suppress clipboard content, store the time of the last
-  // modified clipboard and suppress suggestions that correspond to that time.
-  // Set to base::Time() if not suppressing clipboard content.
-  base::Time last_modified_time_to_suppress_;
-
   DISALLOW_COPY_AND_ASSIGN(ClipboardRecentContentGeneric);
 };