Make CronetDataSourceFactory an inner class of CronetDataSource

#exofixit

PiperOrigin-RevId: 348444280

RELEASENOTES.md

@@ -73,6 +73,8 @@
         ([#1807](https://github.com/google/ExoPlayer/issues/1807)).
 *   OkHttp extension:
     *   Add `OkHttpDataSource.Factory` and deprecate `OkHttpDataSourceFactory`.
+*   Cronet extension:
+    *   Add `CronetDataSource.Factory` and deprecate `CronetDataSourceFactory`.
 *   Media2 extension
     *   Make media2-extension depend on AndroidX media2:media2-session:1.1.0 to
         fix a deadlock while creating PlaybackStateCompat internally.

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

@@ -20,7 +20,7 @@ import com.google.android.exoplayer2.DefaultRenderersFactory;
 import com.google.android.exoplayer2.RenderersFactory;
 import com.google.android.exoplayer2.database.DatabaseProvider;
 import com.google.android.exoplayer2.database.ExoDatabaseProvider;
-import com.google.android.exoplayer2.ext.cronet.CronetDataSourceFactory;
+import com.google.android.exoplayer2.ext.cronet.CronetDataSource;
 import com.google.android.exoplayer2.ext.cronet.CronetEngineWrapper;
 import com.google.android.exoplayer2.offline.ActionFileUpgradeUtil;
 import com.google.android.exoplayer2.offline.DefaultDownloadIndex;
@@ -81,7 +81,7 @@ public final class DemoUtil {
       context = context.getApplicationContext();
       CronetEngineWrapper cronetEngineWrapper = new CronetEngineWrapper(context);
       httpDataSourceFactory =
-          new CronetDataSourceFactory(cronetEngineWrapper, Executors.newSingleThreadExecutor());
+          new CronetDataSource.Factory(cronetEngineWrapper, Executors.newSingleThreadExecutor());
     }
     return httpDataSourceFactory;
   }

extensions/cronet/build.gradle

@@ -21,6 +21,7 @@ dependencies {
     compileOnly 'org.jetbrains.kotlin:kotlin-annotations-jvm:' + kotlinAnnotationsVersion
     testImplementation project(modulePrefix + 'library')
     testImplementation project(modulePrefix + 'testutils')
+    testImplementation 'com.squareup.okhttp3:mockwebserver:' + mockWebServerVersion
     testImplementation 'org.robolectric:robolectric:' + robolectricVersion
 }
 

extensions/cronet/src/main/java/com/google/android/exoplayer2/ext/cronet/CronetDataSourceFactory.java

@@ -21,14 +21,14 @@ import androidx.annotation.Nullable;
 import com.google.android.exoplayer2.upstream.DefaultHttpDataSourceFactory;
 import com.google.android.exoplayer2.upstream.HttpDataSource;
 import com.google.android.exoplayer2.upstream.HttpDataSource.BaseFactory;
-import com.google.android.exoplayer2.upstream.HttpDataSource.Factory;
 import com.google.android.exoplayer2.upstream.TransferListener;
 import java.util.concurrent.Executor;
 import org.chromium.net.CronetEngine;
 
-/**
- * A {@link Factory} that produces {@link CronetDataSource}.
- */
+/** @deprecated Use {@link CronetDataSource.Factory} instead. */
+// Uses deprecated DefaultHttpDataSourceFactory
+@SuppressWarnings("deprecation")
+@Deprecated
 public final class CronetDataSourceFactory extends BaseFactory {
 
   /**