Ensure MimeHandlerView plugins load properly with long URLs

extensions/browser/guest_view/mime_handler_view/mime_handler_view_browsertest.cc

Index: extensions/browser/guest_view/mime_handler_view/mime_handler_view_browsertest.cc
diff --git a/extensions/browser/guest_view/mime_handler_view/mime_handler_view_browsertest.cc b/extensions/browser/guest_view/mime_handler_view/mime_handler_view_browsertest.cc
index 6aab459567e184a648bba57f7aca783751856a19..5d2614562abc35cb86c50569db75ce989ad0d7cd 100644
--- a/extensions/browser/guest_view/mime_handler_view/mime_handler_view_browsertest.cc
+++ b/extensions/browser/guest_view/mime_handler_view/mime_handler_view_browsertest.cc
@@ -86,3 +86,7 @@ IN_PROC_BROWSER_TEST_F(MimeHandlerViewTest, EmbeddedDataUrlObject) {
 IN_PROC_BROWSER_TEST_F(MimeHandlerViewTest, EmbeddedDataUrlEmbed) {
   RunTest("test_embedded_data_url_embed.html");
 }
+
+IN_PROC_BROWSER_TEST_F(MimeHandlerViewTest, EmbeddedDataUrlLong) {
+  RunTest("test_embedded_data_url_long.html");
+}