Implement permission embargo suppression metrics.

chrome/browser/permissions/permission_util.cc

Index: chrome/browser/permissions/permission_util.cc
diff --git a/chrome/browser/permissions/permission_util.cc b/chrome/browser/permissions/permission_util.cc
index 955b2f64cc96c63ed857d6b35d0f1e6ef2316256..1391ac0ec41e3b9c5a71bd9917502312977215a0 100644
--- a/chrome/browser/permissions/permission_util.cc
+++ b/chrome/browser/permissions/permission_util.cc
@@ -15,6 +15,12 @@
 
 using content::PermissionType;
 
+PermissionResult::PermissionResult(ContentSetting cs,
+                                   PermissionStatusSource pss)
+    : content_setting(cs), source(pss) {}
+
+PermissionResult::~PermissionResult() {}
+
 std::string PermissionUtil::GetPermissionString(
     ContentSettingsType content_type) {
   PermissionType permission_type;