Remove mock_ffmpeg and update media unittests.

media/base/media.h

Index: media/base/media.h
diff --git a/media/base/media.h b/media/base/media.h
index 6bbad4cbbb9ec9caa484c50c240091c41e1de712..e5c4d061b86281a3be26588c92f10518704ab62e 100644
--- a/media/base/media.h
+++ b/media/base/media.h
@@ -25,6 +25,9 @@ namespace media {
 // Returns true if everything was successfully initialized, false otherwise.
 bool InitializeMediaLibrary(const FilePath& module_dir);
 
+// Helper method for unit tests to avoid boiler plate code everywhere.

[scherkus (not reviewing), 2011/08/12 21:32:21]

want to mention that unlike the other method this one will crash if it fails
(that's why its for testing)

[acolwell GONE FROM CHROMIUM, 2011/08/15 17:00:54]

Done.

+void InitializeMediaLibraryForTesting();
+
 // Use this if you need to check whether the media library is initialized
 // for the this process, without actually trying to initialize it.
 bool IsMediaLibraryInitialized();