replace memcmp with MagicCmp that supports '.' for single character of anythi...

net/base/mime_sniffer_unittest.cc

 // Copyright (c) 2010 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 "googleurl/src/gurl.h"
 #include "net/base/mime_sniffer.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace {
@@ skipping 67 matching lines @@
       "", "application/octet-stream" },
     { "%!PS-Adobe-3.0", sizeof("%!PS-Adobe-3.0")-1,
       "http://www.example.com/foo",
       "text/plain", "text/plain" },
     { "\x89" "PNG\x0D\x0A\x1A\x0A", sizeof("\x89" "PNG\x0D\x0A\x1A\x0A")-1,
       "http://www.example.com/foo",
       "application/octet-stream", "application/octet-stream" },
     { "\xFF\xD8\xFF\x23\x49\xAF", sizeof("\xFF\xD8\xFF\x23\x49\xAF")-1,
       "http://www.example.com/foo",
       "", "image/jpeg" },
+    { "RIFF\xd4\x32\0\0WEBPVP8 ", sizeof("RIFF\xd4\x32\0\0WEBPVP8 ")-1,
+      "http://www.example.com/foo",
+      "text/plain", "image/webp" },
   };
 
   TestArray(tests, arraysize(tests));
 }
 
 TEST(MimeSnifferTest, ChromeExtensionsTest) {
   SnifferTest tests[] = {
     // schemes
     { "Cr24\x02\x00\x00\x00", sizeof("Cr24\x02\x00\x00\x00")-1,
       "http://www.example.com/foo.crx",
@@ skipping 287 matching lines @@
   content.resize(1024);
   std::fill(content.begin(), content.end(), 'x');
   content[1000] = 0x01;
 
   // content.size() >= 1024 so the sniff is unambiguous.
   std::string mime_type;
   EXPECT_TRUE(net::SniffMimeType(content.data(), content.size(), GURL(),
                                  "text/plain", &mime_type));
   EXPECT_EQ("application/octet-stream", mime_type);
 }