Bug 1390748 - Remove some unnecessary includes. r=jwwang

MozReview-Commit-ID: J3viRI4Q6LF

--HG--
extra : rebase_source : 0f2ff9241c643d49c8293bdbfb4ec6adb1e2cd30

dom/media/eme/MediaKeySystemAccess.cpp

@@ -10,9 +10,6 @@
 #include "mozilla/Preferences.h"
 #include "MediaContainerType.h"
 #include "MediaPrefs.h"
-#ifdef MOZ_FMP4
-#include "MP4Decoder.h"
-#endif
 #ifdef XP_WIN
 #include "WMFDecoderModule.h"
 #endif

dom/media/eme/MediaKeys.cpp

@@ -23,9 +23,6 @@
 #include "nsContentUtils.h"
 #include "nsIScriptObjectPrincipal.h"
 #include "nsContentTypeParser.h"
-#ifdef MOZ_FMP4
-#include "MP4Decoder.h"
-#endif
 #ifdef XP_WIN
 #include "mozilla/WindowsVersion.h"
 #endif

dom/media/gtest/TestMediaDataDecoder.cpp

@@ -8,7 +8,6 @@
 #include "MockMediaResource.h"
 #include "DecoderTraits.h"
 #include "MediaContainerType.h"
-#include "MP4Decoder.h"
 #include "MP4Demuxer.h"
 #include "WebMDecoder.h"
 #include "WebMDemuxer.h"

dom/media/platforms/agnostic/eme/EMEDecoderModule.cpp

@@ -8,7 +8,6 @@
 #include "EMEVideoDecoder.h"
 #include "GMPDecoderModule.h"
 #include "GMPService.h"
-#include "MP4Decoder.h"
 #include "MediaInfo.h"
 #include "MediaPrefs.h"
 #include "PDMFactory.h"