1 files changed, 0 insertions, 20 deletions
diff --git a/dom/canvas/CanvasUtils.cpp b/dom/canvas/CanvasUtils.cpp
index 6c9addf59..c7cfed83f 100644
--- a/dom/canvas/CanvasUtils.cpp
+++ b/dom/canvas/CanvasUtils.cpp
@@ -126,25 +126,5 @@ CoerceDouble(const JS::Value& v, double* d)
     return true;
 }
 
-bool CheckWriteOnlySecurity(bool aCORSUsed, nsIPrincipal* aPrincipal) {
-  if (!aPrincipal) {
-    return true;
-  }
-
-  if (!aCORSUsed) {
-    nsIGlobalObject* incumbentSettingsObject = dom::GetIncumbentGlobal();
-    if (NS_WARN_IF(!incumbentSettingsObject)) {
-      return true;
-    }
-
-    nsIPrincipal* principal = incumbentSettingsObject->PrincipalOrNull();
-    if (NS_WARN_IF(!principal) || !(principal->Subsumes(aPrincipal))) {
-      return true;
-    }
-  }
-
-  return false;
-}
-
 } // namespace CanvasUtils
 } // namespace mozilla