Update from https://crrev.com/312398

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/strings/string_split.h"
 #include "base/strings/utf_string_conversions.h"
 #include "net/base/mime_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ skipping 345 matching lines @@
   EXPECT_FALSE(IsValidTopLevelMimeType(""));
   EXPECT_FALSE(IsValidTopLevelMimeType("/"));
   EXPECT_FALSE(IsValidTopLevelMimeType(" "));
 
   EXPECT_TRUE(IsValidTopLevelMimeType("x-video"));
   EXPECT_TRUE(IsValidTopLevelMimeType("X-video"));
 
   EXPECT_FALSE(IsValidTopLevelMimeType("x-"));
 }
 
-TEST(MimeUtilTest, TestToIANAMediaType) {
-  EXPECT_EQ("", GetIANAMediaType("texting/driving"));
-  EXPECT_EQ("", GetIANAMediaType("ham/sandwich"));
-  EXPECT_EQ("", GetIANAMediaType(std::string()));
-  EXPECT_EQ("", GetIANAMediaType("/application/hamsandwich"));
-
-  EXPECT_EQ("application", GetIANAMediaType("application/poodle-wrestler"));
-  EXPECT_EQ("audio", GetIANAMediaType("audio/mpeg"));
-  EXPECT_EQ("example", GetIANAMediaType("example/yomomma"));
-  EXPECT_EQ("image", GetIANAMediaType("image/png"));
-  EXPECT_EQ("message", GetIANAMediaType("message/sipfrag"));
-  EXPECT_EQ("model", GetIANAMediaType("model/vrml"));
-  EXPECT_EQ("multipart", GetIANAMediaType("multipart/mixed"));
-  EXPECT_EQ("text", GetIANAMediaType("text/plain"));
-  EXPECT_EQ("video", GetIANAMediaType("video/H261"));
-}
-
 TEST(MimeUtilTest, TestGetExtensionsForMimeType) {
   const struct {
     const char* mime_type;
     size_t min_expected_size;
     const char* contained_result;
   } tests[] = {
     { "text/plain", 2, "txt" },
     { "*",          0, NULL  },
     { "message/*",  1, "eml" },
     { "MeSsAge/*",  1, "eml" },
@@ skipping 60 matching lines @@
   std::string post_data;
   AddMultipartValueForUpload("value name", "value", "boundary",
                              "content type", &post_data);
   AddMultipartValueForUpload("value name", "value", "boundary",
                              "", &post_data);
   AddMultipartFinalDelimiterForUpload("boundary", &post_data);
   EXPECT_STREQ(ref_output, post_data.c_str());
 }
 
 }  // namespace net