Add PrefMember<base::Time>

components/prefs/pref_service.h

Index: components/prefs/pref_service.h
diff --git a/components/prefs/pref_service.h b/components/prefs/pref_service.h
index 82de7c4b79ed8852860421d95a94d3d6125999ff..7eba374aaba7e83cf33cd09653171d4dc939d9ac 100644
--- a/components/prefs/pref_service.h
+++ b/components/prefs/pref_service.h
@@ -24,6 +24,7 @@
 #include "base/memory/ref_counted.h"
 #include "base/observer_list.h"
 #include "base/threading/non_thread_safe.h"
+#include "base/time/time.h"
 #include "base/values.h"
 #include "components/prefs/base_prefs_export.h"
 #include "components/prefs/persistent_pref_store.h"
@@ -198,6 +199,7 @@ class COMPONENTS_PREFS_EXPORT PrefService : public base::NonThreadSafe {
   double GetDouble(const std::string& path) const;
   std::string GetString(const std::string& path) const;
   base::FilePath GetFilePath(const std::string& path) const;
+  base::Time GetTime(const std::string& path) const;
 
   // Returns the branch if it exists, or the registered default value otherwise.
   // Note that |path| must point to a registered preference. In that case, these
@@ -219,6 +221,7 @@ class COMPONENTS_PREFS_EXPORT PrefService : public base::NonThreadSafe {
   void SetDouble(const std::string& path, double value);
   void SetString(const std::string& path, const std::string& value);
   void SetFilePath(const std::string& path, const base::FilePath& value);
+  void SetTime(const std::string& path, base::Time time);
 
   // Int64 helper methods that actually store the given value as a string.
   // Note that if obtaining the named value via GetDictionary or GetList, the