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-rw-r--r--Source/WebCore/platform/wx/MimeTypeRegistryWx.cpp5
1 files changed, 5 insertions, 0 deletions
diff --git a/Source/WebCore/platform/wx/MimeTypeRegistryWx.cpp b/Source/WebCore/platform/wx/MimeTypeRegistryWx.cpp
index e7cc0e2..94a815e 100644
--- a/Source/WebCore/platform/wx/MimeTypeRegistryWx.cpp
+++ b/Source/WebCore/platform/wx/MimeTypeRegistryWx.cpp
@@ -28,6 +28,9 @@
#include "config.h"
#include "MIMETypeRegistry.h"
+#include <wtf/Assertions.h>
+#include <wtf/MainThread.h>
+
namespace WebCore {
struct ExtensionMap {
@@ -59,6 +62,8 @@ static const ExtensionMap extensionMap [] = {
String MIMETypeRegistry::getMIMETypeForExtension(const String &ext)
{
+ ASSERT(isMainThread());
+
String s = ext.lower();
const ExtensionMap *e = extensionMap;
while (e->extension) {