--- a/third_party/blink/renderer/core/frame/settings.json5	2017-10-11 15:10:55.000000000 -0400
+++ b/third_party/blink/renderer/core/frame/settings.json5	2017-10-16 18:23:10.942010268 -0400
@@ -721,7 +721,7 @@
 
     {
       name: "disableReadingFromCanvas",
-      initial: false,
+      initial: true,
     },
     {
       name: "strictMixedContentChecking",