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..61085575c685719d7339a42987fb000e4fab8c61 100644
--- a/chrome/browser/previews/previews_infobar_delegate.h
+++ b/chrome/browser/previews/previews_infobar_delegate.h
@@ -21,10 +21,12 @@ 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.
-    OFFLINE,   // Offline copy of the page.
+    LOFI,       // Image placeholders (both server and client implementations).
+    LITE_PAGE,  // Server-side page rewrite.
+    OFFLINE,    // Offline copy of the page.
   };
 
   typedef base::Callback<void(bool opt_out)> OnDismissPreviewsInfobarCallback;