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 1441ab9982615e117910dba6a85b3c9f238274b8..dafba6b05299a9c56e1e5c080204c218ff5819e1 100644
--- a/third_party/WebKit/Source/core/dom/ExecutionContext.cpp
+++ b/third_party/WebKit/Source/core/dom/ExecutionContext.cpp
@@ -216,7 +216,9 @@ 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;
   }