Move encryptedmedia module to oilpan

Source/modules/encryptedmedia/MediaKeys.h

Index: Source/modules/encryptedmedia/MediaKeys.h
diff --git a/Source/modules/encryptedmedia/MediaKeys.h b/Source/modules/encryptedmedia/MediaKeys.h
index 640c24865fadd50b9343aa4ebc2f50c31c2c1e35..3f4837856b2d37360b48b0e7e89359663cb7b800 100644
--- a/Source/modules/encryptedmedia/MediaKeys.h
+++ b/Source/modules/encryptedmedia/MediaKeys.h
@@ -28,6 +28,7 @@
 
 #include "bindings/v8/ScriptWrappable.h"
 #include "core/events/EventTarget.h"
+#include "heap/Handle.h"
 #include "modules/encryptedmedia/MediaKeySession.h"
 #include "platform/Timer.h"
 #include "wtf/Deque.h"
@@ -52,9 +53,10 @@ class ExceptionState;
 // The ContentDecryptionModule has the same lifetime as this object.
 // Maintains a reference to all MediaKeySessions created to ensure they live as
 // long as this object unless explicitly close()'d.
-class MediaKeys : public RefCounted<MediaKeys>, public ScriptWrappable {
+class MediaKeys : public RefCountedWillBeGarbageCollectedFinalized<MediaKeys>, public ScriptWrappable {
+    DECLARE_GC_INFO;
 public:
-    static PassRefPtr<MediaKeys> create(const String& keySystem, ExceptionState&);
+    static PassRefPtrWillBeRawPtr<MediaKeys> create(const String& keySystem, ExceptionState&);
     ~MediaKeys();
 
     PassRefPtr<MediaKeySession> createSession(ExecutionContext*, const String& contentType, Uint8Array* initData, ExceptionState&);
@@ -65,6 +67,8 @@ public:
 
     blink::WebContentDecryptionModule* contentDecryptionModule();
 
+    void trace(Visitor*) { }
+
 protected:
     MediaKeys(const String& keySystem, PassOwnPtr<ContentDecryptionModule>);
     void initializeNewSessionTimerFired(Timer<MediaKeys>*);
@@ -77,11 +81,11 @@ protected:
 
     // FIXME: Check whether |initData| can be changed by JS. Maybe we should not pass it as a pointer.
     struct InitializeNewSessionData {
-        InitializeNewSessionData(PassRefPtr<MediaKeySession> session, const String& contentType, PassRefPtr<Uint8Array> initData)
+        InitializeNewSessionData(PassRefPtrWillBeRawPtr<MediaKeySession> session, const String& contentType, PassRefPtr<Uint8Array> initData)
             : session(session)
             , contentType(contentType)
             , initData(initData) { }
-        RefPtr<MediaKeySession> session;
+        RefPtrWillBePersistent<MediaKeySession> session;
         String contentType;
         RefPtr<Uint8Array> initData;
     };