Cleanup redundant mime_util.h includes

net/base/mime_sniffer.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.
 
 // Detecting mime types is a tricky business because we need to balance
 // compatibility concerns with security issues.  Here is a survey of how other
 // browsers behave and then a description of how we intend to behave.
 //
 // HTML payload, no Content-Type header:
 // * IE 7: Render as HTML
@@ skipping 82 matching lines @@
 // definition and roughly the same as Firefox's definition.
 
 #include <string>
 
 #include "net/base/mime_sniffer.h"
 
 #include "base/basictypes.h"
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
 #include "base/strings/string_util.h"
-#include "net/base/mime_util.h"
 #include "url/gurl.h"
 
 namespace net {
 
 // The number of content bytes we need to use all our magic numbers.  Feel free
 // to increase this number if you add a longer magic number.
 static const size_t kBytesRequiredForMagic = 42;
 
 struct MagicNumber {
   const char* const mime_type;
@@ skipping 850 matching lines @@
   // First check the extra table.
   if (CheckForMagicNumbers(content, size, kExtraMagicNumbers,
                            arraysize(kExtraMagicNumbers), NULL, result))
     return true;
   // Finally check the original table.
   return CheckForMagicNumbers(content, size, kMagicNumbers,
                               arraysize(kMagicNumbers), NULL, result);
 }
 
 }  // namespace net