Fire error event when script integrity check fails.

Source/core/html/parser/HTMLScriptRunner.cpp

Index: Source/core/html/parser/HTMLScriptRunner.cpp
diff --git a/Source/core/html/parser/HTMLScriptRunner.cpp b/Source/core/html/parser/HTMLScriptRunner.cpp
index 2db20e2aebadc2c46285bf4a52699e25d1a8e36a..304fe38a66363dce7be77f57450579557291cec7 100644
--- a/Source/core/html/parser/HTMLScriptRunner.cpp
+++ b/Source/core/html/parser/HTMLScriptRunner.cpp
@@ -152,8 +152,11 @@ void HTMLScriptRunner::executePendingScriptAndDispatchEvent(PendingScript& pendi
             scriptLoader->dispatchErrorEvent();
         else {
             ASSERT(isExecutingScript());
-            scriptLoader->executeScript(sourceCode, &compilationFinishTime);
-            element->dispatchEvent(createScriptLoadEvent());
+            if (!scriptLoader->executeScript(sourceCode, &compilationFinishTime)) {
+                scriptLoader->dispatchErrorEvent();
+            } else {
+                element->dispatchEvent(createScriptLoadEvent());
+            }
         }
     }
     // The exact value doesn't matter; valid time stamps are much bigger than this value.