Don't show the bubble during auto-translating except for the first time

chrome/browser/ui/views/translate/translate_bubble_view.cc

Index: chrome/browser/ui/views/translate/translate_bubble_view.cc
diff --git a/chrome/browser/ui/views/translate/translate_bubble_view.cc b/chrome/browser/ui/views/translate/translate_bubble_view.cc
index c0b4c52cde350609be1a01598421203618a3da87..61bde6358ab36bd34ecc904a06970fb70344c359 100644
--- a/chrome/browser/ui/views/translate/translate_bubble_view.cc
+++ b/chrome/browser/ui/views/translate/translate_bubble_view.cc
@@ -142,6 +142,17 @@ void TranslateBubbleView::ShowBubble(views::View* anchor_view,
                                      content::WebContents* web_contents,
                                      TranslateBubbleModel::ViewState type,
                                      Browser* browser) {
+  // During auto-translating, the bubble should not be shown.
+  if (type == TranslateBubbleModel::VIEW_STATE_TRANSLATING ||
+      type == TranslateBubbleModel::VIEW_STATE_AFTER_TRANSLATE) {
+    TranslateTabHelper* translate_tab_helper =
+        TranslateTabHelper::FromWebContents(web_contents);
+    if (!translate_tab_helper ||
+        translate_tab_helper->language_state().InTranslateNavigation()) {
+      return;
+    }
+  }
+
   if (IsShowing()) {
     // When the user reads the advanced setting panel, the bubble should not be
     // changed because he/she is focusing on the bubble.