Define proprietary_codecs=1 when branding==Chrome.

net/base/mime_util.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 <algorithm>
 #include <iterator>
 #include <map>
 #include <string>
 
 #include "base/containers/hash_tables.h"
@@ skipping 429 matching lines @@
   for (size_t i = 0; i < arraysize(supported_non_image_types); ++i)
     non_image_map_.insert(supported_non_image_types[i]);
   for (size_t i = 0; i < arraysize(supported_certificate_types); ++i)
     non_image_map_.insert(supported_certificate_types[i].mime_type);
   for (size_t i = 0; i < arraysize(unsupported_text_types); ++i)
     unsupported_text_map_.insert(unsupported_text_types[i]);
   for (size_t i = 0; i < arraysize(supported_javascript_types); ++i)
     non_image_map_.insert(supported_javascript_types[i]);
   for (size_t i = 0; i < arraysize(common_media_types); ++i)
     non_image_map_.insert(common_media_types[i]);
-#if defined(GOOGLE_CHROME_BUILD) || defined(USE_PROPRIETARY_CODECS)
+#if defined(USE_PROPRIETARY_CODECS)
   for (size_t i = 0; i < arraysize(proprietary_media_types); ++i)
     non_image_map_.insert(proprietary_media_types[i]);
 #endif
 
   // Initialize the supported media types.
   for (size_t i = 0; i < arraysize(common_media_types); ++i)
     media_map_.insert(common_media_types[i]);
-#if defined(GOOGLE_CHROME_BUILD) || defined(USE_PROPRIETARY_CODECS)
+#if defined(USE_PROPRIETARY_CODECS)
   for (size_t i = 0; i < arraysize(proprietary_media_types); ++i)
     media_map_.insert(proprietary_media_types[i]);
 #endif
 
   for (size_t i = 0; i < arraysize(supported_javascript_types); ++i)
     javascript_map_.insert(supported_javascript_types[i]);
 
   for (size_t i = 0; i < arraysize(common_media_codecs); ++i)
     codecs_map_.insert(common_media_codecs[i]);
-#if defined(GOOGLE_CHROME_BUILD) || defined(USE_PROPRIETARY_CODECS)
+#if defined(USE_PROPRIETARY_CODECS)
   for (size_t i = 0; i < arraysize(proprietary_media_codecs); ++i)
     codecs_map_.insert(proprietary_media_codecs[i]);
 #endif
 
   // Initialize the strict supported media types.
   for (size_t i = 0; i < arraysize(format_codec_mappings); ++i) {
     std::vector<std::string> mime_type_codecs;
     ParseCodecString(format_codec_mappings[i].codecs_list,
                      &mime_type_codecs,
                      false);
@@ skipping 515 matching lines @@
   post_data->append("\r\n" + value + "\r\n");
 }
 
 void AddMultipartFinalDelimiterForUpload(const std::string& mime_boundary,
                                          std::string* post_data) {
   DCHECK(post_data);
   post_data->append("--" + mime_boundary + "--\r\n");
 }
 
 }  // namespace net