Translate new UX: Fix the visual and behavior of 'Done' button

chrome/browser/ui/translate/translate_bubble_model_impl.cc

Index: chrome/browser/ui/translate/translate_bubble_model_impl.cc
diff --git a/chrome/browser/ui/translate/translate_bubble_model_impl.cc b/chrome/browser/ui/translate/translate_bubble_model_impl.cc
index ca7242c5f0e8b657330437003cc26ed66155609a..87e14d5af626728078814a666cbeb36a76c24000 100644
--- a/chrome/browser/ui/translate/translate_bubble_model_impl.cc
+++ b/chrome/browser/ui/translate/translate_bubble_model_impl.cc
@@ -4,6 +4,8 @@
 
 #include "chrome/browser/ui/translate/translate_bubble_model_impl.h"
 
+#include "chrome/browser/tab_contents/language_state.h"
+#include "chrome/browser/translate/translate_tab_helper.h"
 #include "chrome/browser/translate/translate_ui_delegate.h"
 
 TranslateBubbleModelImpl::TranslateBubbleModelImpl(
@@ -80,3 +82,14 @@ void TranslateBubbleModelImpl::RevertTranslation() {
 void TranslateBubbleModelImpl::TranslationDeclined() {
   ui_delegate_->TranslationDeclined();
 }
+
+bool TranslateBubbleModelImpl::IsPageTranslatedInCurrentLanguages() const {
+  content::WebContents* web_contents = ui_delegate_->web_contents();
+  TranslateTabHelper* translate_tab_helper =
+      TranslateTabHelper::FromWebContents(web_contents);
+  LanguageState& language_state = translate_tab_helper->language_state();
+  return ui_delegate_->GetOriginalLanguageCode() ==
+      language_state.original_language() &&
+      ui_delegate_->GetTargetLanguageCode() ==
+      language_state.current_language();
+}