Don't sanitize errors if the protocol is "data:"

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 149cd19ff7be676ed587f3f375502f10e036290a..664bcda9343c1fe53de02683268aa657c7833e98 100644
--- a/third_party/WebKit/Source/core/dom/ExecutionContext.cpp
+++ b/third_party/WebKit/Source/core/dom/ExecutionContext.cpp
@@ -98,7 +98,10 @@ bool ExecutionContext::shouldSanitizeScriptError(
     AccessControlStatus corsStatus) {
   if (corsStatus == OpaqueResource)
     return true;
-  return !(getSecurityOrigin()->canRequestNoSuborigin(completeURL(sourceURL)) ||
+  const KURL& url = completeURL(sourceURL);
+  if (url.protocolIsData())
+    return false;
+  return !(getSecurityOrigin()->canRequestNoSuborigin(url) ||
            corsStatus == SharableCrossOrigin);
 }