Write last_modified date to Content Settings in the PrefProvider

components/content_settings/core/browser/content_settings_rule.cc

Index: components/content_settings/core/browser/content_settings_rule.cc
diff --git a/components/content_settings/core/browser/content_settings_rule.cc b/components/content_settings/core/browser/content_settings_rule.cc
index 13d6a0aeed951b2e9fbfbd97421fa25b67dfd21f..1731cd36aa9738db82ca43c352e93a4c99d49f02 100644
--- a/components/content_settings/core/browser/content_settings_rule.cc
+++ b/components/content_settings/core/browser/content_settings_rule.cc
@@ -12,12 +12,13 @@ namespace content_settings {
 
 Rule::Rule() {}
 
-Rule::Rule(
-    const ContentSettingsPattern& primary_pattern,
-    const ContentSettingsPattern& secondary_pattern,
-    base::Value* value)
+Rule::Rule(const ContentSettingsPattern& primary_pattern,
+           const ContentSettingsPattern& secondary_pattern,
+           base::Time last_modified,
+           base::Value* value)
     : primary_pattern(primary_pattern),
       secondary_pattern(secondary_pattern),
+      last_modified(last_modified),
       value(value) {
   DCHECK(value);
 }