Fix for non-sticky defaults bug. Added a bunch of tests.

net/base/mime_util_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/basictypes.h"
 #include "base/utf_string_conversions.h"
 #include "net/base/mime_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace net {
@@ skipping 63 matching lines @@
   EXPECT_FALSE(IsSupportedMimeType("image/lolcat"));
   EXPECT_TRUE(IsSupportedMimeType("text/html"));
   EXPECT_TRUE(IsSupportedMimeType("text/banana"));
   EXPECT_FALSE(IsSupportedMimeType("text/vcard"));
   EXPECT_FALSE(IsSupportedMimeType("application/virus"));
 }
 
 TEST(MimeUtilTest, MatchesMimeType) {
   EXPECT_TRUE(MatchesMimeType("*", "video/x-mpeg"));
   EXPECT_TRUE(MatchesMimeType("video/*", "video/x-mpeg"));
+  EXPECT_TRUE(MatchesMimeType("video/*", "video/*"));
   EXPECT_TRUE(MatchesMimeType("video/x-mpeg", "video/x-mpeg"));
   EXPECT_TRUE(MatchesMimeType("application/*+xml",
                                    "application/html+xml"));
   EXPECT_TRUE(MatchesMimeType("application/*+xml", "application/+xml"));
   EXPECT_TRUE(MatchesMimeType("aaa*aaa", "aaaaaa"));
   EXPECT_TRUE(MatchesMimeType("*", ""));
   EXPECT_FALSE(MatchesMimeType("video/", "video/x-mpeg"));
   EXPECT_FALSE(MatchesMimeType("", "video/x-mpeg"));
   EXPECT_FALSE(MatchesMimeType("", ""));
   EXPECT_FALSE(MatchesMimeType("video/x-mpeg", ""));
@@ skipping 125 matching lines @@
       if (extensions[j] == tests[i].contained_result)
         found = true;
 #endif
     }
     ASSERT_TRUE(found) << "Must find at least the contained result within "
                        << tests[i].mime_type;
   }
 }
 
 }  // namespace net