Implement the 2016Q2 Translate UI designe spec out in

components/translate/core/browser/translate_prefs.h

 // 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.
 
 #ifndef COMPONENTS_TRANSLATE_CORE_BROWSER_TRANSLATE_PREFS_H_
 #define COMPONENTS_TRANSLATE_CORE_BROWSER_TRANSLATE_PREFS_H_
 
 #include <stddef.h>
 
 #include <string>
 #include <vector>
 
+#include "base/feature_list.h"
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
 #include "base/time/time.h"
 #include "build/build_config.h"
 #include "components/prefs/scoped_user_pref_update.h"
 #include "url/gurl.h"
 
 class PrefService;
 class Profile;
 
 namespace base {
 class DictionaryValue;
 class ListValue;
 }
 
 namespace user_prefs {
 class PrefRegistrySyncable;
 }
 
 namespace translate {
 
+// Feature flag for "Translate UI 2016 Q2" project.
+extern const base::Feature kTranslateUI2016Q2;

[msw, 2016/05/03 22:33:35]

Does this belong in chrome/common/chrome_features.[h|cc]?

[ftang, 2016/05/03 23:55:42]

this is not really a feature flag, but a short term experimental flag inside the
translate feature. I don't think it is a good idea to put that into the
chrome/common/chrome_features.[h|cc]

[msw, 2016/05/04 00:19:20]

Acknowledged.

+
 class TranslateAcceptLanguages;
 
 // Allows updating denial times for a specific language while maintaining the
 // maximum list size and ensuring PrefObservers are notified of change values.
 class DenialTimeUpdate {
  public:
   DenialTimeUpdate(PrefService* prefs,
                    const std::string& language,
                    size_t max_denial_count);
   ~DenialTimeUpdate();
@@ skipping 19 matching lines @@
 };
 
 // The wrapper of PrefService object for Translate.
 //
 // It is assumed that |prefs_| is alive while this instance is alive.
 class TranslatePrefs {
  public:
   static const char kPrefTranslateSiteBlacklist[];
   static const char kPrefTranslateWhitelists[];
   static const char kPrefTranslateDeniedCount[];
+  static const char kPrefTranslateIgnoredCount[];
   static const char kPrefTranslateAcceptedCount[];
   static const char kPrefTranslateBlockedLanguages[];
   static const char kPrefTranslateLastDeniedTimeForLanguage[];
   static const char kPrefTranslateTooOftenDeniedForLanguage[];
 
   // |preferred_languages_pref| is only used on Chrome OS, other platforms must
   // pass NULL.
   TranslatePrefs(PrefService* user_prefs,
                  const char* accept_languages_pref,
                  const char* preferred_languages_pref);
@@ skipping 34 matching lines @@
   // Will return true if at least one site has been blacklisted.
   bool HasBlacklistedSites() const;
 
   // These methods are used to track how many times the user has denied the
   // translation for a specific language. (So we can present a UI to black-list
   // that language if the user keeps denying translations).
   int GetTranslationDeniedCount(const std::string& language) const;
   void IncrementTranslationDeniedCount(const std::string& language);
   void ResetTranslationDeniedCount(const std::string& language);
 
+  // These methods are used to track how many times the user has ignored the
+  // translation bubble for a specific language.
+  int GetTranslationIgnoredCount(const std::string& language) const;
+  void IncrementTranslationIgnoredCount(const std::string& language);
+  void ResetTranslationIgnoredCount(const std::string& language);
+
   // These methods are used to track how many times the user has accepted the
   // translation for a specific language. (So we can present a UI to white-list
   // that language if the user keeps accepting translations).
   int GetTranslationAcceptedCount(const std::string& language);
   void IncrementTranslationAcceptedCount(const std::string& language);
   void ResetTranslationAcceptedCount(const std::string& language);
 
   // Update the last time on closing the Translate UI without translation.
   void UpdateLastDeniedTime(const std::string& language);
 
@@ skipping 59 matching lines @@
   PrefService* prefs_;  // Weak.
 
   std::string country_;  // The country the app runs in.
 
   DISALLOW_COPY_AND_ASSIGN(TranslatePrefs);
 };
 
 }  // namespace translate
 
 #endif  // COMPONENTS_TRANSLATE_CORE_BROWSER_TRANSLATE_PREFS_H_