Allow sites to enable 'window.onerror' handlers for cross-domain scripts.

Source/core/dom/ScriptLoader.cpp

Index: Source/core/dom/ScriptLoader.cpp
diff --git a/Source/core/dom/ScriptLoader.cpp b/Source/core/dom/ScriptLoader.cpp
index c71bd21fda83a557caa735aa5a07ca44ef74ddd8..50b120c43ec81a61ef75a083c15cfd70bba817f3 100644
--- a/Source/core/dom/ScriptLoader.cpp
+++ b/Source/core/dom/ScriptLoader.cpp
@@ -324,6 +324,9 @@ void ScriptLoader::executeScript(const ScriptSourceCode& sourceCode)
         if (isHTMLScriptLoader(m_element))
             document->pushCurrentScript(toHTMLScriptElement(m_element));
 
+        if (!m_element->fastGetAttribute(HTMLNames::crossoriginAttr).isNull() && sourceCode.cachedScript() && sourceCode.cachedScript()->passesAccessControlCheck(m_element->document()->securityOrigin()))
+            m_element->document()->didLoadScriptThatPassedAccessControlCheck(sourceCode.cachedScript()->url());
+
         // Create a script from the script element node, using the script
         // block's source and the script block's type.
         // Note: This is where the script is compiled and actually executed.