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 bae51e0c0c80a8af7d079818d180fa9b4e03b546..09ae2192d6c4c624f5372c3b456e548eded18cde 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() {}
+
 // The returned strings must match the RAPPOR metrics in rappor.xml,
 // and any Field Trial configs for the Permissions kill switch e.g.
 // Permissions.Action.Geolocation etc..