Translate: Hide the bubble if the user denies translating 2 times within 24 hours

components/translate/core/browser/translate_prefs.h

Index: components/translate/core/browser/translate_prefs.h
diff --git a/components/translate/core/browser/translate_prefs.h b/components/translate/core/browser/translate_prefs.h
index 6b15c9e1922e05b8045dd4c4bec406e4fa10d649..6da8de7ef71b26079c96e1b596b3eafb89dbd0cd 100644
--- a/components/translate/core/browser/translate_prefs.h
+++ b/components/translate/core/browser/translate_prefs.h
@@ -35,6 +35,8 @@ class TranslatePrefs {
   static const char kPrefTranslateDeniedCount[];
   static const char kPrefTranslateAcceptedCount[];
   static const char kPrefTranslateBlockedLanguages[];
+  static const char kPrefTranslateLastDeniedTime[];
+  static const char kPrefTranslateTooOftenDenied[];
 
   // |preferred_languages_pref| is only used on Chrome OS, other platforms must
   // pass NULL.
@@ -87,6 +89,12 @@ class TranslatePrefs {
   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();
+
+  // Returns true if translation is denied too often.
+  bool IsTooOftenDenied() const;
+
   // Gets the language list of the language settings.
   void GetLanguageList(std::vector<std::string>* languages);