Move media library path resolution into Chrome path provider.

media/ffmpeg/ffmpeg_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.
 
 // ffmpeg_unittests verify that the parts of the FFmpeg API that Chromium uses
 // function as advertised for each media format that Chromium supports.  This
 // mostly includes stuff like reporting proper timestamps, seeking to
 // keyframes, and supporting certain features like reordered_opaque.
 //
 // Known failures as of r54591:
@@ skipping 382 matching lines @@
 
  private:
   void InitializeFFmpeg() {
     static bool initialized = false;
     if (initialized) {
       return;
     }
 
     FilePath path;
     PathService::Get(base::DIR_MODULE, &path);
-    EXPECT_TRUE(InitializeMediaLibrary(path))
+    InitializeMediaLibrary(path);
+    EXPECT_TRUE(IsMediaLibraryInitialized())
         << "Could not initialize media library.";
 
     avcodec_init();
     av_log_set_level(AV_LOG_FATAL);
     av_register_all();
     av_register_protocol2(&kFFmpegFileProtocol, sizeof(kFFmpegFileProtocol));
     initialized = true;
   }
 
   AVFormatContext* av_format_context_;
@@ skipping 233 matching lines @@
   SeekTo(0.4);
   ReadRemainingFile();
   EXPECT_TRUE(StepDecodeVideo());
   VLOG(1) << decoded_video_time();
 
   CloseCodecs();
   CloseFile();
 }
 
 }  // namespace media