8314212: Crash when loading cnn.com in WebView

Backport-of: ddd1f79

modules/javafx.web/src/main/native/Source/WebCore/platform/graphics/java/MediaPlayerPrivateJava.cpp

@@ -430,6 +430,12 @@ float MediaPlayerPrivate::currentTime() const
         LOG_TRACE1("MediaPlayerPrivate currentTime returns (seekTime): %f\n", m_seekTime);
         return m_seekTime;
     }
+
+    // in case of hls media m3u8 format check network state
+    // since jfx media do not support hls live streaming protocol
+    if (MediaPlayerNetworkState::NetworkError == MediaPlayer::NetworkState::NetworkError)
+        return MediaTime::zeroTime().toFloat();
+
     JNIEnv* env = WTF::GetJavaEnv();
     static jmethodID s_mID
         = env->GetMethodID(PG_GetMediaPlayerClass(env), "fwkGetCurrentTime", "()F");

modules/javafx.web/src/main/native/Source/WebCore/rendering/RenderLayerCompositor.cpp

@@ -1196,6 +1196,11 @@ void RenderLayerCompositor::computeCompositingRequirements(RenderLayer* ancestor
 #endif
     }
 
+// in case of video data format like m3u8 error case ,check if layer needs compositing
+#if PLATFORM(JAVA)
+    if (willBeComposited != needsToBeComposited(layer, queryData))
+        return;
+#endif
     ASSERT(willBeComposited == needsToBeComposited(layer, queryData));
 
     // Create or destroy backing here. However, we can't update geometry because layers above us may become composited