Remove references to deprecated DefaultDataSourceFactory from dev guide

#minor-release

PiperOrigin-RevId: 436997521

docs/customization.md

@@ -59,7 +59,7 @@ DataSource.Factory httpDataSourceFactory =
 DefaultDataSource.Factory dataSourceFactory =
     new DefaultDataSource.Factory(context, httpDataSourceFactory);
 
-// Inject the DefaultDataSourceFactory when creating the player.
+// Inject the DefaultDataSource.Factory when creating the player.
 ExoPlayer player =
     new ExoPlayer.Builder(context)
         .setMediaSourceFactory(new DefaultMediaSourceFactory(dataSourceFactory))

docs/network-stacks.md

@@ -22,14 +22,14 @@ that corresponds to the network stack you wish to use. If your application also
 needs to play non-http(s) content such as local files, use
 
 ~~~
-new DefaultDataSourceFactory(
+new DefaultDataSource.Factory(
     ...
     /* baseDataSourceFactory= */ new PreferredHttpDataSource.Factory(...));
 ~~~
 {: .language-java}
 
 where `PreferredHttpDataSource.Factory` is the factory corresponding to your
-preferred network stack. The `DefaultDataSourceFactory` layer adds in support
+preferred network stack. The `DefaultDataSource.Factory` layer adds in support
 for non-http(s) sources such as local files.
 
 The example below shows how to build an `ExoPlayer` that will use the Cronet
@@ -48,7 +48,7 @@ DefaultDataSource.Factory dataSourceFactory =
         context,
         /* baseDataSourceFactory= */ cronetDataSourceFactory);
 
-// Inject the DefaultDataSourceFactory when creating the player.
+// Inject the DefaultDataSource.Factory when creating the player.
 ExoPlayer player =
     new ExoPlayer.Builder(context)
         .setMediaSourceFactory(new DefaultMediaSourceFactory(dataSourceFactory))

extensions/cronet/README.md

@@ -38,8 +38,9 @@ If your application only needs to play http(s) content, using the Cronet
 extension is as simple as updating `DataSource.Factory` instantiations in your
 application code to use `CronetDataSource.Factory`. If your application also
 needs to play non-http(s) content such as local files, use:
+
 ```
-new DefaultDataSourceFactory(
+new DefaultDataSource.Factory(
     ...
     /* baseDataSourceFactory= */ new CronetDataSource.Factory(...) );
 ```

extensions/rtmp/README.md

@@ -39,7 +39,7 @@ injected from application code.
 
 `DefaultDataSource` will automatically use the RTMP extension whenever it's
 available. Hence if your application is using `DefaultDataSource` or
-`DefaultDataSourceFactory`, adding support for RTMP streams is as simple as
+`DefaultDataSource.Factory`, adding support for RTMP streams is as simple as
 adding a dependency to the RTMP extension as described above. No changes to your
 application code are required. Alternatively, if you know that your application
 doesn't need to handle any other protocols, you can update any