multiple files: Move from DCHECK to DCHECK_EQ

net/base/mime_util.cc

 // Copyright (c) 2011 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 <map>
 #include <string>
 
 #include "net/base/mime_util.h"
 #include "net/base/platform_mime_util.h"
 
@@ skipping 367 matching lines @@
 // Mirrors WebViewImpl::CanShowMIMEType()
 bool MimeUtil::IsSupportedMimeType(const std::string& mime_type) const {
   return (mime_type.compare(0, 6, "image/") == 0 &&
           IsSupportedImageMimeType(mime_type.c_str())) ||
          IsSupportedNonImageMimeType(mime_type.c_str());
 }
 
 bool MimeUtil::MatchesMimeType(const std::string &mime_type_pattern,
                                const std::string &mime_type) const {
   // verify caller is passing lowercase
-  DCHECK(mime_type_pattern == StringToLowerASCII(mime_type_pattern));
-  DCHECK(mime_type == StringToLowerASCII(mime_type));
+  DCHECK_EQ(StringToLowerASCII(mime_type_pattern), mime_type_pattern);
+  DCHECK_EQ(StringToLowerASCII(mime_type), mime_type);
 
   // This comparison handles absolute maching and also basic
   // wildcards.  The plugin mime types could be:
   //      application/x-foo
   //      application/*
   //      application/*+xml
   //      *
   if (mime_type_pattern.empty())
     return false;
 
@@ skipping 307 matching lines @@
 
   GetExtensionsFromHardCodedMappings(secondary_mappings,
                                      arraysize(secondary_mappings),
                                      mime_type,
                                      &unique_extensions);
 
   HashSetToVector(&unique_extensions, extensions);
 }
 
 }  // namespace net