Automatically trigger Never-Translate in new translation infobar

components/translate/core/browser/translate_infobar_delegate.cc

 // Copyright 2014 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 "components/translate/core/browser/translate_infobar_delegate.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "base/feature_list.h"
@@ skipping 31 matching lines @@
 const int kAlwaysTranslateMinCount = 1;
 const int kNeverTranslateMinCount = 2;
 #else
 const int kAlwaysTranslateMinCount = 3;
 const int kNeverTranslateMinCount = 3;
 #endif
 
 // For Compact UI, if number of consecutive translations is equal to this
 // number, infobar will automatically trigger "Always Translate".
 const int kAcceptCountThreshold = 5;
+// For Compact UI, if number of consecutive denied is equal to this
+// number, infobar will automatically trigger "Never Translate Language".
+const int kDeniedCountThreshold = 7;
 
 }  // namespace
 
 const base::Feature kTranslateCompactUI{"TranslateCompactUI",
                                         base::FEATURE_DISABLED_BY_DEFAULT};
 
 const size_t TranslateInfoBarDelegate::kNoIndex = TranslateUIDelegate::kNoIndex;
 
 TranslateInfoBarDelegate::~TranslateInfoBarDelegate() {
 }
@@ skipping 239 matching lines @@
          target_language_code(), TranslateErrors::NONE, false);
 }
 #endif
 
 bool TranslateInfoBarDelegate::ShouldAutoAlwaysTranslate() {
   return (IsCompactUIEnabled() &&
           prefs_->GetTranslationAcceptedCount(original_language_code()) ==
               kAcceptCountThreshold);
 }
 
+bool TranslateInfoBarDelegate::ShouldAutoNeverTranslate() {

[Leo, 2017/05/12 05:09:07]

Can we move all the CompactUIEnabled logic to
ui/android/infobars/translate_compact_infobar.cc

[Marti Wong, 2017/05/12 07:16:11]

Done.

+  return (IsCompactUIEnabled() &&
+          prefs_->GetTranslationDeniedCount(original_language_code()) ==
+              kDeniedCountThreshold);
+}
+
 // static
 void TranslateInfoBarDelegate::GetAfterTranslateStrings(
     std::vector<base::string16>* strings,
     bool* swap_languages,
     bool autodetermined_source_language) {
   DCHECK(strings);
 
   if (autodetermined_source_language) {
     size_t offset;
     base::string16 text = l10n_util::GetStringFUTF16(
@@ skipping 73 matching lines @@
   TranslationDeclined();
   UMA_HISTOGRAM_BOOLEAN("Translate.DeclineTranslateCloseInfobar", true);
 }
 
 TranslateInfoBarDelegate*
     TranslateInfoBarDelegate::AsTranslateInfoBarDelegate() {
   return this;
 }
 
 }  // namespace translate