Remove the ENABLE_NOSNIFF compile-time flag.

Source/WebCore/dom/ScriptElement.cpp

Index: Source/WebCore/dom/ScriptElement.cpp
diff --git a/Source/WebCore/dom/ScriptElement.cpp b/Source/WebCore/dom/ScriptElement.cpp
index 7bd26bcc2115fb22f98b5b37db59d6feab6e3ac7..bc3f4256be92c9fdd01d925f0807f3ef1f11d678 100644
--- a/Source/WebCore/dom/ScriptElement.cpp
+++ b/Source/WebCore/dom/ScriptElement.cpp
@@ -294,12 +294,10 @@ void ScriptElement::executeScript(const ScriptSourceCode& sourceCode)
     if (!m_isExternalScript && !m_element->document()->contentSecurityPolicy()->allowInlineScript(m_element->document()->url(), m_startLineNumber))
         return;
 
-#if ENABLE(NOSNIFF)
     if (m_isExternalScript && m_cachedScript && !m_cachedScript->mimeTypeAllowedByNosniff()) {
         m_element->document()->addConsoleMessage(SecurityMessageSource, ErrorMessageLevel, "Refused to execute script from '" + m_cachedScript->url().elidedString() + "' because its MIME type ('" + m_cachedScript->mimeType() + "') is not executable, and strict MIME type checking is enabled.");
         return;
     }
-#endif
 
     RefPtr<Document> document = m_element->document();
     ASSERT(document);