Fix build with media_use_ffmpeg=false

chrome/utility/media_galleries/media_metadata_parser.cc

 // Copyright 2013 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 "chrome/utility/media_galleries/media_metadata_parser.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/strings/string_util.h"
 #include "base/task_runner_util.h"
 #include "base/threading/thread.h"
 #include "media/base/audio_video_metadata_extractor.h"
 #include "media/base/data_source.h"
 #include "net/base/mime_sniffer.h"
 
 namespace MediaGalleries = extensions::api::media_galleries;
 
 namespace metadata {
 
 namespace {
 
+#if !defined(MEDIA_DISABLE_FFMPEG)
 void SetStringScopedPtr(const std::string& value,
                         std::unique_ptr<std::string>* destination) {
   DCHECK(destination);
   if (!value.empty())
     destination->reset(new std::string(value));
 }
 
 void SetIntScopedPtr(int value, std::unique_ptr<int>* destination) {
   DCHECK(destination);
   if (value >= 0)
     destination->reset(new int(value));
 }
+#endif
 
 // This runs on |media_thread_|, as the underlying FFmpeg operation is
 // blocking, and the utility thread must not be blocked, so the media file
 // bytes can be sent from the browser process to the utility process.
 void ParseAudioVideoMetadata(
     media::DataSource* source, bool get_attached_images,
     MediaMetadataParser::MediaMetadata* metadata,
     std::vector<AttachedImage>* attached_images) {
   DCHECK(source);
   DCHECK(metadata);
@@ skipping 91 matching lines @@
                               get_attached_images_, metadata, attached_images),
         base::Bind(&FinishParseAudioVideoMetadata, callback,
                    base::Owned(metadata), base::Owned(attached_images)));
     return;
   }
 
   callback.Run(MediaMetadata(), std::vector<AttachedImage>());
 }
 
 }  // namespace metadata