[Regression fix] [Data URI parser] Accept data URI with invalid mediatype data

net/base/data_url_unittest.cc

Index: net/base/data_url_unittest.cc
diff --git a/net/base/data_url_unittest.cc b/net/base/data_url_unittest.cc
index 5a5dbe8f008d98c460a48e7f504ffbaebac3c630..b91377d83a9309a924d4bf4a7fd1062b0e212363 100644
--- a/net/base/data_url_unittest.cc
+++ b/net/base/data_url_unittest.cc
@@ -63,6 +63,14 @@ TEST(DataURLTest, Parse) {
       "US-ASCII",
       "hello world" },
 
+    // Allow invalid mediatype for backward compatibility but set mime_type to
+    // "text/plain" instead of the invalid mediatype.
+    { "data:foo,boo",
+      true,
+      "text/plain",
+      "US-ASCII",
+      "boo" },
+
     { "data:foo/bar;baz=1;charset=kk,boo",
       true,
       "foo/bar",
@@ -90,10 +98,10 @@ TEST(DataURLTest, Parse) {
 
     // Bad mime type
     { "data:f(oo/bar;baz=1;charset=kk,boo",
-      false,
-      "",
-      "",
-      "" },
+      true,
+      "text/plain",
+      "kk",
+      "boo" },
 
     // the comma cannot be url-escaped!
     { "data:%2Cblah",