Bug 1400442 - Annotate Servo_ComputedValues_EqualCustomProperties as safe, r=manishearth

--HG--
extra : rebase_source : 9b828ee29363fcff1f5be587958b822a29f3d5be

js/src/devtools/rootAnalysis/analyzeHeapWrites.js

@@ -28,6 +28,7 @@ function checkExternalFunction(entry)
         "atof",
         /memchr/,
         "strlen",
+        "Servo_ComputedValues_EqualCustomProperties",
         /Servo_DeclarationBlock_GetCssText/,
         /nsIFrame::AppendOwnedAnonBoxes/,
         // Assume that atomic accesses are threadsafe.