Adding the Previews infobar to pages that show a client LoFi image

chrome/browser/previews/previews_infobar_delegate.h

Index: chrome/browser/previews/previews_infobar_delegate.h
diff --git a/chrome/browser/previews/previews_infobar_delegate.h b/chrome/browser/previews/previews_infobar_delegate.h
index f362be5c2a58d71a574dda0d2228860e1cc085b7..c201f311e2f4478d05435dc35648e362fd9d24ac 100644
--- a/chrome/browser/previews/previews_infobar_delegate.h
+++ b/chrome/browser/previews/previews_infobar_delegate.h
@@ -21,6 +21,8 @@ class PreviewsInfoBarDelegate : public ConfirmInfoBarDelegate {
  public:
   // The type of the infobar. It controls the strings and what UMA data is
   // recorded for the infobar.
+  // TODO(ryansturm): Combine PreviewsInfoBarType with previews::PreviewsType.
+  // crbug.com/704335
   enum PreviewsInfoBarType {
     LOFI,      // Server-side image replacement.
     LITE_PAGE, // Server-side page rewrite.