Schedule session initialization in MediaKeys.

Source/modules/encryptedmedia/MediaKeySession.h

Index: Source/modules/encryptedmedia/MediaKeySession.h
diff --git a/Source/modules/encryptedmedia/MediaKeySession.h b/Source/modules/encryptedmedia/MediaKeySession.h
index 45072199301fd42012c494d5aba33a931f055356..64310d7cf0e25d53734fb934cb9385421404a836 100644
--- a/Source/modules/encryptedmedia/MediaKeySession.h
+++ b/Source/modules/encryptedmedia/MediaKeySession.h
@@ -64,7 +64,7 @@ public:
     void setError(MediaKeyError*);
     MediaKeyError* error() { return m_error.get(); }
 
-    void initializeNewSession(const String& mimeType, Uint8Array* initData);
+    void initializeNewSession(const String& mimeType, const Uint8Array& initData);
     void update(Uint8Array* response, ExceptionState&);
     void release(ExceptionState&);
 
@@ -79,7 +79,6 @@ public:
 
 private:
     MediaKeySession(ExecutionContext*, ContentDecryptionModule*, MediaKeys*);
-    void initializeNewSessionTimerFired(Timer<MediaKeySession>*);
     void updateTimerFired(Timer<MediaKeySession>*);
 
     // ContentDecryptionModuleSessionClient
@@ -94,17 +93,7 @@ private:
     // Used to remove the reference from the parent MediaKeys when close()'d.
     MediaKeys* m_keys;
 
-    // FIXME: Check whether |initData| can be changed by JS. Maybe we should not pass it as a pointer.
-    // FIXME: Move the queue and timer to MediaKeys.
-    struct InitializeNewSessionData {
-        InitializeNewSessionData(const String& mimeType, Uint8Array* initData) : mimeType(mimeType), initData(initData) { }
-        String mimeType;
-        RefPtr<Uint8Array> initData;
-    };
-    Deque<InitializeNewSessionData> m_pendingInitializeNewSessionData;
-    Timer<MediaKeySession> m_initializeNewSessionTimer;
-
-    Deque<RefPtr<Uint8Array> > m_pendingKeys;
+    Deque<RefPtr<Uint8Array> > m_pendingUpdates;
     Timer<MediaKeySession> m_updateTimer;
 };