Implement HasPermission() method in PermissionService.

content/public/browser/content_browser_client.cc

Index: content/public/browser/content_browser_client.cc
diff --git a/content/public/browser/content_browser_client.cc b/content/public/browser/content_browser_client.cc
index e32344940ef368946620a3856aceb1006f125c10..84d19f69b6a597252974bf3291234cc94bc9084f 100644
--- a/content/public/browser/content_browser_client.cc
+++ b/content/public/browser/content_browser_client.cc
@@ -237,6 +237,14 @@ void ContentBrowserClient::RequestPermission(
   result_callback.Run(true);
 }
 
+PermissionStatus ContentBrowserClient::GetPermissionStatus(
+    PermissionType permission,
+    BrowserContext* browser_context,
+    const GURL& requesting_origin,
+    const GURL& embedding_origin) {
+  return PERMISSION_STATUS_DENIED;
+}
+
 bool ContentBrowserClient::CanCreateWindow(
     const GURL& opener_url,
     const GURL& opener_top_level_frame_url,