Implement new referrer policies

third_party/WebKit/Source/core/dom/ExecutionContext.cpp

Index: third_party/WebKit/Source/core/dom/ExecutionContext.cpp
diff --git a/third_party/WebKit/Source/core/dom/ExecutionContext.cpp b/third_party/WebKit/Source/core/dom/ExecutionContext.cpp
index 5edb42b4feaf9fef16ff9ccc60e3b938a4ba540a..556d8843ce285141d5da837fb694cd8e333b7cc7 100644
--- a/third_party/WebKit/Source/core/dom/ExecutionContext.cpp
+++ b/third_party/WebKit/Source/core/dom/ExecutionContext.cpp
@@ -215,7 +215,9 @@ void ExecutionContext::ParseAndSetReferrerPolicy(const String& policies,
                  ? "'always', 'default', 'never', 'origin-when-crossorigin', "
                  : "") +
             "'no-referrer', 'no-referrer-when-downgrade', 'origin', "
-            "'origin-when-cross-origin', or 'unsafe-url'. The referrer policy "
+            "'origin-when-cross-origin', 'same-origin', 'strict-origin', "
+            "'strict-origin-when-cross-origin', or 'unsafe-url'. The referrer "
+            "policy "
             "has been left unchanged."));
     return;
   }