Fire error event when script integrity check fails.

Source/core/html/parser/HTMLScriptRunner.cpp

 /*
  * Copyright (C) 2010 Google, Inc. All Rights Reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 134 matching lines @@
     // Clear the pending script before possible rentrancy from executeScript()
     RefPtrWillBeRawPtr<Element> element = pendingScript.releaseElementAndClear();
     double compilationFinishTime = 0;
     if (ScriptLoader* scriptLoader = toScriptLoaderIfPossible(element.get())) {
         NestingLevelIncrementer nestingLevelIncrementer(m_scriptNestingLevel);
         IgnoreDestructiveWriteCountIncrementer ignoreDestructiveWriteCountIncrementer(m_document);
         if (errorOccurred)
             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.
     const double epsilon = 1;
     if (pendingScriptType == PendingScript::ParsingBlocking && !m_parserBlockingScriptAlreadyLoaded && compilationFinishTime > epsilon && loadFinishTime > epsilon) {
         blink::Platform::current()->histogramCustomCounts("WebCore.Scripts.ParsingBlocking.TimeBetweenLoadedAndCompiled", (compilationFinishTime - loadFinishTime) * 1000, 0, 10000, 50);
     }
 
     ASSERT(!isExecutingScript());
 }
@@ skipping 188 matching lines @@
 
 DEFINE_TRACE(HTMLScriptRunner)
 {
     visitor->trace(m_document);
     visitor->trace(m_host);
     visitor->trace(m_parserBlockingScript);
     visitor->trace(m_scriptsToExecuteAfterParsing);
 }
 
 }