Remove all feature flag checks in Delegate.

components/translate/core/browser/translate_infobar_delegate.cc

Index: components/translate/core/browser/translate_infobar_delegate.cc
diff --git a/components/translate/core/browser/translate_infobar_delegate.cc b/components/translate/core/browser/translate_infobar_delegate.cc
index e6df58584d2b5e929ebf1fc29f145a4a0ce53358..1c547d31cee8ceedd4635846f3814b0cfce4b102 100644
--- a/components/translate/core/browser/translate_infobar_delegate.cc
+++ b/components/translate/core/browser/translate_infobar_delegate.cc
@@ -7,7 +7,6 @@
 #include <algorithm>
 #include <utility>
 
-#include "base/feature_list.h"
 #include "base/i18n/string_compare.h"
 #include "base/memory/ptr_util.h"
 #include "base/metrics/histogram_macros.h"
@@ -125,11 +124,6 @@ void TranslateInfoBarDelegate::Create(
     infobar_manager->AddInfoBar(std::move(infobar));
 }
 
-// static
-bool TranslateInfoBarDelegate::IsCompactUIEnabled() {
-  return base::FeatureList::IsEnabled(kTranslateCompactUI);
-}
-
 void TranslateInfoBarDelegate::SetResponder(Responder* responder) {
   responder_ = responder;
 }
@@ -150,11 +144,13 @@ void TranslateInfoBarDelegate::Translate() {
 
 void TranslateInfoBarDelegate::RevertTranslation() {
   ui_delegate_.RevertTranslation();
-  if (IsCompactUIEnabled())
-    return;
   infobar()->RemoveSelf();
 }
 
+void TranslateInfoBarDelegate::RevertWithoutClosingInfobar() {
+  ui_delegate_.RevertTranslation();
+}
+
 void TranslateInfoBarDelegate::ReportLanguageDetectionError() {
   if (translate_manager_)
     translate_manager_->ReportLanguageDetectionError();
@@ -387,13 +383,15 @@ int TranslateInfoBarDelegate::GetIconId() const {
 }
 
 void TranslateInfoBarDelegate::InfoBarDismissed() {
-  if (step_ != translate::TRANSLATE_STEP_BEFORE_TRANSLATE)
-    return;
-  if (IsCompactUIEnabled())
-    return;
-  // The user closed the infobar without clicking the translate button.
-  TranslationDeclined();
-  UMA_HISTOGRAM_BOOLEAN("Translate.DeclineTranslateCloseInfobar", true);
+  bool declined = responder_

[napper, 2017/05/19 23:01:31]

const bool

+                      ? responder_->Declined()
+                      : (step_ == translate::TRANSLATE_STEP_BEFORE_TRANSLATE);
+
+  if (declined) {
+    // The user closed the infobar without clicking the translate button.
+    TranslationDeclined();
+    UMA_HISTOGRAM_BOOLEAN("Translate.DeclineTranslateCloseInfobar", true);
+  }
 }
 
 TranslateInfoBarDelegate*