Initial Implementation of Iframe Attribute for Feature Policy (Part 1)

third_party/WebKit/Source/core/html/HTMLIFrameElementPermissions.cpp

Index: third_party/WebKit/Source/core/html/HTMLIFrameElementPermissions.cpp
diff --git a/third_party/WebKit/Source/core/html/HTMLIFrameElementPermissions.cpp b/third_party/WebKit/Source/core/html/HTMLIFrameElementPermissions.cpp
index 32c6a5e07a02709efac26c1d0b8d34cd855f66b0..34e692809d94f4e72f0d9a900f9f932c821a1db5 100644
--- a/third_party/WebKit/Source/core/html/HTMLIFrameElementPermissions.cpp
+++ b/third_party/WebKit/Source/core/html/HTMLIFrameElementPermissions.cpp
@@ -63,21 +63,14 @@ HTMLIFrameElementPermissions::parseDelegatedPermissions(
     if (getPermissionType(tokens[i], &type)) {
       permissions.push_back(type);
     } else {
-      if (numTokenErrors)
-        tokenErrors.append(", '");
-      else
-        tokenErrors.append('\'');
-      tokenErrors.append(tokens[i]);
-      tokenErrors.append('\'');
+      HTMLIFrameElement::addTokenError(tokenErrors, tokens[i]);
       ++numTokenErrors;
     }
   }
 
   if (numTokenErrors) {
-    if (numTokenErrors > 1)
-      tokenErrors.append(" are invalid permissions flags.");
-    else
-      tokenErrors.append(" is an invalid permissions flag.");
+    tokenErrors.append(numTokenErrors > 1 ? " are invalid permissions flags."
+                                          : " is an invalid permissions flag.");
     invalidTokensErrorMessage = tokenErrors.toString();
   }