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

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

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/views/translate/translate_bubble_view.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 124 matching lines @@
   // is referred by Combobox's destructor. Before destroying the models,
   // removing the child views is needed.
   RemoveAllChildViews(true);
 }
 
 // static
 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.
     if (translate_bubble_view_->web_contents() == web_contents &&
         translate_bubble_view_->model()->GetViewState() ==
         TranslateBubbleModel::VIEW_STATE_ADVANCED) {
       return;
     }
     translate_bubble_view_->SwitchView(type);
     return;
@@ skipping 597 matching lines @@
       model_->GetLanguageNameAt(model_->GetTargetLanguageIndex());
 
   // "Always translate" checkbox doesn't exist in an incognito window.
   if (always_translate_checkbox_) {
     always_translate_checkbox_->SetText(
         l10n_util::GetStringUTF16(IDS_TRANSLATE_BUBBLE_ALWAYS));
     always_translate_checkbox_->SetChecked(
         model_->ShouldAlwaysTranslate());
   }
 }