Stop scheduling in-order script execution upon hitting failed script.

third_party/WebKit/Source/core/dom/PendingScript.cpp

Index: third_party/WebKit/Source/core/dom/PendingScript.cpp
diff --git a/third_party/WebKit/Source/core/dom/PendingScript.cpp b/third_party/WebKit/Source/core/dom/PendingScript.cpp
index 5003d50c0238958289a94c50d20063a586e5f2c7..d7971cfe48c8e95e082da1bb11d4053855fe2f4e 100644
--- a/third_party/WebKit/Source/core/dom/PendingScript.cpp
+++ b/third_party/WebKit/Source/core/dom/PendingScript.cpp
@@ -224,4 +224,13 @@ bool PendingScript::isReady() const
     return true;
 }
 
+bool PendingScript::errorOccurred() const
+{
+    if (resource())
+        return resource()->errorOccurred();
+    if (m_streamer && m_streamer->resource())
+        return m_streamer->resource()->errorOccurred();
+    return false;
+}
+
 } // namespace blink