Remove non-trivial static initializer

media/cdm/ppapi/external_clear_key/clear_key_cdm.cc

Index: media/cdm/ppapi/external_clear_key/clear_key_cdm.cc
diff --git a/media/cdm/ppapi/external_clear_key/clear_key_cdm.cc b/media/cdm/ppapi/external_clear_key/clear_key_cdm.cc
index aaf7c221609c4bb5d63e783b5e1d9720e3a182cc..fbdda3dac3dbfc8dcef5bb3d457c80c85b2fa523 100644
--- a/media/cdm/ppapi/external_clear_key/clear_key_cdm.cc
+++ b/media/cdm/ppapi/external_clear_key/clear_key_cdm.cc
@@ -46,14 +46,6 @@ MSVC_POP_WARNING();
 #if !defined COMPONENT_BUILD
 static base::AtExitManager g_at_exit_manager;
 #endif
-
-// Prepare media library.
-static bool InitializeFFmpegLibraries() {
-  media::InitializeMediaLibrary();
-  return true;
-}
-static bool g_ffmpeg_lib_initialized = InitializeFFmpegLibraries();
-
 #endif  // CLEAR_KEY_CDM_USE_FFMPEG_DECODER
 
 const char kClearKeyCdmVersion[] = "0.1.0.1";
@@ -221,6 +213,7 @@ void ConvertCdmKeysInfo(const std::vector<media::CdmKeyInformation*>& keys_info,
 void INITIALIZE_CDM_MODULE() {
   DVLOG(1) << __FUNCTION__;
 #if defined(CLEAR_KEY_CDM_USE_FFMPEG_DECODER)
+  media::InitializeMediaLibrary();
   av_register_all();
 #endif  // CLEAR_KEY_CDM_USE_FFMPEG_DECODER
 }