Schedule session initialization in MediaKeys.

Source/modules/encryptedmedia/MediaKeySession.cpp

Index: Source/modules/encryptedmedia/MediaKeySession.cpp
diff --git a/Source/modules/encryptedmedia/MediaKeySession.cpp b/Source/modules/encryptedmedia/MediaKeySession.cpp
index 4efaea52c1e5178feacf03603217b63a5433ca72..1591077713dee022e452c2aeb1fbc7b4a45b022b 100644
--- a/Source/modules/encryptedmedia/MediaKeySession.cpp
+++ b/Source/modules/encryptedmedia/MediaKeySession.cpp
@@ -48,7 +48,6 @@ MediaKeySession::MediaKeySession(ExecutionContext* context, ContentDecryptionMod
     , m_asyncEventQueue(GenericEventQueue::create(this))
     , m_session(cdm->createSession(this))
     , m_keys(keys)
-    , m_initializeNewSessionTimer(this, &MediaKeySession::initializeNewSessionTimerFired)
     , m_updateTimer(this, &MediaKeySession::updateTimerFired)
 {
     ScriptWrappable::init(this);
@@ -80,21 +79,9 @@ String MediaKeySession::sessionId() const
     return m_session->sessionId();
 }
 
-void MediaKeySession::initializeNewSession(const String& mimeType, Uint8Array* initData)
+void MediaKeySession::initializeNewSession(const String& mimeType, const Uint8Array& initData)
 {
-    m_pendingInitializeNewSessionData.append(InitializeNewSessionData(mimeType, initData));
-    m_initializeNewSessionTimer.startOneShot(0);
-}
-
-void MediaKeySession::initializeNewSessionTimerFired(Timer<MediaKeySession>*)
-{
-    ASSERT(m_pendingInitializeNewSessionData.size());
-
-    while (!m_pendingInitializeNewSessionData.isEmpty()) {
-        InitializeNewSessionData data = m_pendingInitializeNewSessionData.takeFirst();
-        // FIXME: Refer to the spec to see what needs to be done in blink.
-        m_session->initializeNewSession(data.mimeType, *data.initData);
-    }
+    m_session->initializeNewSession(mimeType, initData);
 }
 
 void MediaKeySession::update(Uint8Array* response, ExceptionState& exceptionState)
@@ -112,7 +99,9 @@ void MediaKeySession::update(Uint8Array* response, ExceptionState& exceptionStat
 
     // 3. Schedule a task to handle the call, providing response.
     m_pendingKeys.append(response);
-    m_updateTimer.startOneShot(0);
+
+    if (!m_updateTimer.isActive())
+        m_updateTimer.startOneShot(0);
 }
 
 void MediaKeySession::updateTimerFired(Timer<MediaKeySession>*)