[WIP] Migrate hasPendingActivity from ActiveDOMObject to ScriptWrappable.

third_party/WebKit/Source/modules/encryptedmedia/MediaKeySession.cpp

Index: third_party/WebKit/Source/modules/encryptedmedia/MediaKeySession.cpp
diff --git a/third_party/WebKit/Source/modules/encryptedmedia/MediaKeySession.cpp b/third_party/WebKit/Source/modules/encryptedmedia/MediaKeySession.cpp
index 6111349b6b7ff973b539732352fa66437b5cd1d2..8dc350661eeb8155b3af7c7843d72e79ce7dd0e8 100644
--- a/third_party/WebKit/Source/modules/encryptedmedia/MediaKeySession.cpp
+++ b/third_party/WebKit/Source/modules/encryptedmedia/MediaKeySession.cpp
@@ -896,14 +896,12 @@ bool MediaKeySession::hasPendingActivity() const
 {
     // Remain around if there are pending events or MediaKeys is still around
     // and we're not closed.
-    WTF_LOG(Media, "MediaKeySession(%p)::hasPendingActivity %s%s%s%s", this,
-        ActiveDOMObject::hasPendingActivity() ? " ActiveDOMObject::hasPendingActivity()" : "",
+    WTF_LOG(Media, "MediaKeySession(%p)::hasPendingActivity %s%s%s", this,
         !m_pendingActions.isEmpty() ? " !m_pendingActions.isEmpty()" : "",
         m_asyncEventQueue->hasPendingEvents() ? " m_asyncEventQueue->hasPendingEvents()" : "",
         (m_mediaKeys && !m_isClosed) ? " m_mediaKeys && !m_isClosed" : "");
 
-    return ActiveDOMObject::hasPendingActivity()
-        || !m_pendingActions.isEmpty()
+    return !m_pendingActions.isEmpty()
         || m_asyncEventQueue->hasPendingEvents()
         || (m_mediaKeys && !m_isClosed);
 }