MHTML loading fix

net/base/mime_util.cc

Index: net/base/mime_util.cc
diff --git a/net/base/mime_util.cc b/net/base/mime_util.cc
index 85f5d15b9411898e9fac2d44ef33f8a8307c4253..79c73098f898934c85236c0b3d36bc667a984fb4 100644
--- a/net/base/mime_util.cc
+++ b/net/base/mime_util.cc
@@ -305,7 +305,7 @@ static const char* const supported_non_image_types[] = {
   "application/json",
   "application/x-x509-user-cert",
   "multipart/related",  // For MHTML support.
-  "multipart/x-mixed-replace"
+  "multipart/x-mixed-replace",
   // Note: ADDING a new type here will probably render it AS HTML. This can
   // result in cross site scripting.
 };