Remove all feature flag checks in Delegate.

components/translate/core/browser/translate_infobar_delegate.h

Index: components/translate/core/browser/translate_infobar_delegate.h
diff --git a/components/translate/core/browser/translate_infobar_delegate.h b/components/translate/core/browser/translate_infobar_delegate.h
index 5e32a72d88eb5849bfef1e0e4bbef9beb7ba4ee6..e0f1ea18b6ce8a5849db14791ec48d770842fdf9 100644
--- a/components/translate/core/browser/translate_infobar_delegate.h
+++ b/components/translate/core/browser/translate_infobar_delegate.h
@@ -76,9 +76,6 @@ class TranslateInfoBarDelegate : public infobars::InfoBarDelegate {
                      TranslateErrors::Type error_type,
                      bool triggered_from_menu);
 
-  // Returns true if compact translate UI is enabled.
-  static bool IsCompactUIEnabled();
-
   // Returns the number of languages supported.
   size_t num_languages() const { return ui_delegate_.GetNumberOfLanguages(); }
 
@@ -132,6 +129,7 @@ class TranslateInfoBarDelegate : public infobars::InfoBarDelegate {
 
   virtual void Translate();
   virtual void RevertTranslation();
+  void RevertWithoutClosingInfobar();
   void ReportLanguageDetectionError();
 
   // Called when the user declines to translate a page, by either closing the