Enable the embedded L1/EME support in WebView.

android_webview/native/android_webview_jni_registrar.cc

Index: android_webview/native/android_webview_jni_registrar.cc
diff --git a/android_webview/native/android_webview_jni_registrar.cc b/android_webview/native/android_webview_jni_registrar.cc
index 2a425b3a95b3eefa4efa5cb54c47238e42091130..24241d73818bea6ddd4f91fd91f70cc35b7957e5 100644
--- a/android_webview/native/android_webview_jni_registrar.cc
+++ b/android_webview/native/android_webview_jni_registrar.cc
@@ -19,6 +19,7 @@
 #include "android_webview/native/aw_settings.h"
 #include "android_webview/native/aw_web_contents_delegate.h"
 #include "android_webview/native/cookie_manager.h"
+#include "android_webview/native/external_video_surface_container_impl.h"
 #include "android_webview/native/input_stream_impl.h"
 #include "android_webview/native/intercepted_request_data_impl.h"
 #include "android_webview/native/java_browser_view_renderer_helper.h"
@@ -45,6 +46,9 @@ static base::android::RegistrationMethod kWebViewRegisteredMethods[] = {
   { "AwResource", AwResource::RegisterAwResource },
   { "AwWebContentsDelegate", RegisterAwWebContentsDelegate },
   { "CookieManager", RegisterCookieManager },
+#if defined(VIDEO_HOLE)
+  { "ExternalVideoSurfaceContainer", RegisterExternalVideoSurfaceContainer },
+#endif
   { "InterceptedRequestDataImpl", RegisterInterceptedRequestData },
   { "InputStream", RegisterInputStream },
   { "JavaBrowserViewRendererHelper", RegisterJavaBrowserViewRendererHelper },