Remove usage of deprecated method from the Demo app

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=209390036

demos/main/src/main/java/com/google/android/exoplayer2/demo/PlayerActivity.java

@@ -60,7 +60,7 @@ import com.google.android.exoplayer2.source.ads.AdsMediaSource;
 import com.google.android.exoplayer2.source.dash.DashMediaSource;
 import com.google.android.exoplayer2.source.dash.manifest.DashManifestParser;
 import com.google.android.exoplayer2.source.hls.HlsMediaSource;
-import com.google.android.exoplayer2.source.hls.playlist.HlsPlaylistParser;
+import com.google.android.exoplayer2.source.hls.playlist.DefaultHlsPlaylistParserFactory;
 import com.google.android.exoplayer2.source.smoothstreaming.SsMediaSource;
 import com.google.android.exoplayer2.source.smoothstreaming.manifest.SsManifestParser;
 import com.google.android.exoplayer2.trackselection.AdaptiveTrackSelection;
@@ -490,8 +490,8 @@ public class PlayerActivity extends Activity
             .createMediaSource(uri);
       case C.TYPE_HLS:
         return new HlsMediaSource.Factory(dataSourceFactory)
-            .setPlaylistParser(
+            .setPlaylistParserFactory(
-                new FilteringManifestParser<>(new HlsPlaylistParser(), getOfflineStreamKeys(uri)))
+                new DefaultHlsPlaylistParserFactory(getOfflineStreamKeys(uri)))
             .createMediaSource(uri);
       case C.TYPE_OTHER:
         return new ExtractorMediaSource.Factory(dataSourceFactory).createMediaSource(uri);

library/hls/src/main/java/com/google/android/exoplayer2/source/hls/HlsMediaSource.java

@@ -32,6 +32,7 @@ import com.google.android.exoplayer2.source.MediaSourceEventListener.EventDispat
 import com.google.android.exoplayer2.source.SequenceableLoader;
 import com.google.android.exoplayer2.source.SinglePeriodTimeline;
 import com.google.android.exoplayer2.source.ads.AdsMediaSource;
+import com.google.android.exoplayer2.source.hls.playlist.DefaultHlsPlaylistParserFactory;
 import com.google.android.exoplayer2.source.hls.playlist.DefaultHlsPlaylistTracker;
 import com.google.android.exoplayer2.source.hls.playlist.HlsMediaPlaylist;
 import com.google.android.exoplayer2.source.hls.playlist.HlsPlaylist;
@@ -62,7 +63,7 @@ public final class HlsMediaSource extends BaseMediaSource
     private final HlsDataSourceFactory hlsDataSourceFactory;
 
     private HlsExtractorFactory extractorFactory;
-    private @Nullable ParsingLoadable.Parser<HlsPlaylist> playlistParser;
+    private @Nullable HlsPlaylistParserFactory playlistParserFactory;
     private @Nullable HlsPlaylistTracker playlistTracker;
     private CompositeSequenceableLoaderFactory compositeSequenceableLoaderFactory;
     private LoadErrorHandlingPolicy loadErrorHandlingPolicy;
@@ -164,23 +165,19 @@ public final class HlsMediaSource extends BaseMediaSource
     }
 
     /**
-     * Sets the parser to parse HLS playlists. The default is an instance of {@link
+     * Sets the factory from which playlist parsers will be obtained. The default value is created
-     * HlsPlaylistParser}.
+     * by calling {@link DefaultHlsPlaylistParserFactory#DefaultHlsPlaylistParserFactory()}.
      *
      * <p>Must not be called after calling {@link #setPlaylistTracker} on the same builder.
      *
-     * @param playlistParser A {@link ParsingLoadable.Parser} for HLS playlists.
+     * @param playlistParserFactory An {@link HlsPlaylistParserFactory}.
      * @return This factory, for convenience.
      * @throws IllegalStateException If one of the {@code create} methods has already been called.
-     * @deprecated Use {@link #setPlaylistTracker(HlsPlaylistTracker)} instead. Using this method
-     *     prevents support for attributes that are carried over from the master playlist to the
-     *     media playlists.
      */
-    @Deprecated
+    public Factory setPlaylistParserFactory(HlsPlaylistParserFactory playlistParserFactory) {
-    public Factory setPlaylistParser(ParsingLoadable.Parser<HlsPlaylist> playlistParser) {
       Assertions.checkState(!isCreateCalled);
       Assertions.checkState(playlistTracker == null, "A playlist tracker has already been set.");
-      this.playlistParser = Assertions.checkNotNull(playlistParser);
+      this.playlistParserFactory = Assertions.checkNotNull(playlistParserFactory);
       return this;
     }
 
@@ -189,7 +186,7 @@ public final class HlsMediaSource extends BaseMediaSource
      * DefaultHlsPlaylistTracker}. Playlist trackers must not be shared by {@link HlsMediaSource}
      * instances.
      *
-     * <p>Must not be called after calling {@link #setPlaylistParser} on the same builder.
+     * <p>Must not be called after calling {@link #setPlaylistParserFactory} on the same builder.
      *
      * @param playlistTracker A tracker for HLS playlists.
      * @return This factory, for convenience.
@@ -197,7 +194,8 @@ public final class HlsMediaSource extends BaseMediaSource
      */
     public Factory setPlaylistTracker(HlsPlaylistTracker playlistTracker) {
       Assertions.checkState(!isCreateCalled);
-      Assertions.checkState(playlistParser == null, "A playlist parser has already been set.");
+      Assertions.checkState(
+          playlistParserFactory == null, "A playlist parser factory has already been set.");
       this.playlistTracker = Assertions.checkNotNull(playlistTracker);
       return this;
     }
@@ -244,14 +242,16 @@ public final class HlsMediaSource extends BaseMediaSource
     public HlsMediaSource createMediaSource(Uri playlistUri) {
       isCreateCalled = true;
       if (playlistTracker == null) {
-        if (playlistParser == null) {
+        if (playlistParserFactory == null) {
           playlistTracker =
               new DefaultHlsPlaylistTracker(
-                  hlsDataSourceFactory, loadErrorHandlingPolicy, HlsPlaylistParserFactory.DEFAULT);
+                  hlsDataSourceFactory,
+                  loadErrorHandlingPolicy,
+                  new DefaultHlsPlaylistParserFactory());
         } else {
           playlistTracker =
               new DefaultHlsPlaylistTracker(
-                  hlsDataSourceFactory, loadErrorHandlingPolicy, playlistParser);
+                  hlsDataSourceFactory, loadErrorHandlingPolicy, playlistParserFactory);
         }
       }
       return new HlsMediaSource(

library/hls/src/main/java/com/google/android/exoplayer2/source/hls/playlist/DefaultHlsPlaylistParserFactory.java

@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.google.android.exoplayer2.source.hls.playlist;
+
+import com.google.android.exoplayer2.offline.FilteringManifestParser;
+import com.google.android.exoplayer2.offline.StreamKey;
+import com.google.android.exoplayer2.upstream.ParsingLoadable;
+import java.util.Collections;
+import java.util.List;
+
+/** Default implementation for {@link HlsPlaylistParserFactory}. */
+public final class DefaultHlsPlaylistParserFactory implements HlsPlaylistParserFactory {
+
+  private final List<StreamKey> streamKeys;
+
+  /** Creates an instance that does not filter any parsing results. */
+  public DefaultHlsPlaylistParserFactory() {
+    this(Collections.emptyList());
+  }
+
+  /**
+   * Creates an instance that filters the parsing results using the given {@code streamKeys}.
+   *
+   * @param streamKeys See {@link
+   *     FilteringManifestParser#FilteringManifestParser(ParsingLoadable.Parser, List)}.
+   */
+  public DefaultHlsPlaylistParserFactory(List<StreamKey> streamKeys) {
+    this.streamKeys = streamKeys;
+  }
+
+  @Override
+  public ParsingLoadable.Parser<HlsPlaylist> createPlaylistParser() {
+    return new FilteringManifestParser<>(new HlsPlaylistParser(), streamKeys);
+  }
+
+  @Override
+  public ParsingLoadable.Parser<HlsPlaylist> createPlaylistParser(
+      HlsMasterPlaylist masterPlaylist) {
+    return new FilteringManifestParser<>(new HlsPlaylistParser(masterPlaylist), streamKeys);
+  }
+}

library/hls/src/main/java/com/google/android/exoplayer2/source/hls/playlist/HlsPlaylistParserFactory.java

@@ -20,20 +20,6 @@ import com.google.android.exoplayer2.upstream.ParsingLoadable;
 /** Factory for {@link HlsPlaylist} parsers. */
 public interface HlsPlaylistParserFactory {
 
-  HlsPlaylistParserFactory DEFAULT =
-      new HlsPlaylistParserFactory() {
-        @Override
-        public ParsingLoadable.Parser<HlsPlaylist> createPlaylistParser() {
-          return new HlsPlaylistParser();
-        }
-
-        @Override
-        public ParsingLoadable.Parser<HlsPlaylist> createPlaylistParser(
-            HlsMasterPlaylist masterPlaylist) {
-          return new HlsPlaylistParser(masterPlaylist);
-        }
-      };
-
   /**
    * Returns a stand-alone playlist parser. Playlists parsed by the returned parser do not inherit
    * any attributes from other playlists.