Make unprefixed EME APIs use platform and Chromium.

Source/core/testing/Internals.cpp

Index: Source/core/testing/Internals.cpp
diff --git a/Source/core/testing/Internals.cpp b/Source/core/testing/Internals.cpp
index 86aaef69cbbe872b075f151b00970a1bff3601d1..bd26c5e707ec49a01b63e5409b24c790898d05bb 100644
--- a/Source/core/testing/Internals.cpp
+++ b/Source/core/testing/Internals.cpp
@@ -113,11 +113,6 @@
 #include "core/platform/graphics/filters/FilterOperations.h"
 #include "core/rendering/RenderLayerBacking.h"
 
-#if ENABLE(ENCRYPTED_MEDIA_V2)
-#include "core/testing/MockCDM.h"
-#include "modules/encryptedmedia/CDM.h"
-#endif
-
 #include "core/platform/mock/PlatformSpeechSynthesizerMock.h"
 #include "modules/speech/DOMWindowSpeechSynthesis.h"
 #include "modules/speech/SpeechSynthesis.h"
@@ -1917,13 +1912,6 @@ void Internals::forceReload(bool endToEnd)
     frame()->loader()->reload(endToEnd);
 }
 
-#if ENABLE(ENCRYPTED_MEDIA_V2)
-void Internals::initializeMockCDM()
-{
-    CDM::registerCDMFactory(MockCDM::create, MockCDM::supportsKeySytem);
-}
-#endif
-
 String Internals::markerTextForListItem(Element* element, ExceptionCode& ec)
 {
     if (!element) {