Translate: Implement reset the denial state on chrome://translate-internals

components/translate/core/browser/translate_prefs.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_prefs.h"
 
 #include <set>
 
 #include "base/prefs/pref_service.h"
 #include "base/prefs/scoped_user_pref_update.h"
@@ skipping 260 matching lines @@
   base::Time now = base::Time::Now();
   prefs_->SetDouble(kPrefTranslateLastDeniedTime, now.ToJsTime());
   if (now - last_closed_time <= base::TimeDelta::FromDays(1))
     prefs_->SetBoolean(kPrefTranslateTooOftenDenied, true);
 }
 
 bool TranslatePrefs::IsTooOftenDenied() const {
   return prefs_->GetBoolean(kPrefTranslateTooOftenDenied);
 }
 
+void TranslatePrefs::ResetDenialState() {
+  prefs_->SetDouble(kPrefTranslateLastDeniedTime, 0);
+  prefs_->SetBoolean(kPrefTranslateTooOftenDenied, false);
+}
+
 void TranslatePrefs::GetLanguageList(std::vector<std::string>* languages) {
   DCHECK(languages);
   DCHECK(languages->empty());
 
 #if defined(OS_CHROMEOS)
   const char* key = preferred_languages_pref_.c_str();
 #else
   const char* key = accept_languages_pref_.c_str();
 #endif
 
@@ skipping 269 matching lines @@
 
 bool TranslatePrefs::IsListEmpty(const char* pref_id) const {
   const base::ListValue* blacklist = prefs_->GetList(pref_id);
   return (blacklist == NULL || blacklist->empty());
 }
 
 bool TranslatePrefs::IsDictionaryEmpty(const char* pref_id) const {
   const base::DictionaryValue* dict = prefs_->GetDictionary(pref_id);
   return (dict == NULL || dict->empty());
 }