Enable the embedded L1/EME support in WebView.

content/browser/android/content_view_core_impl.cc

Index: content/browser/android/content_view_core_impl.cc
diff --git a/content/browser/android/content_view_core_impl.cc b/content/browser/android/content_view_core_impl.cc
index c0e7d0adbc60e1f23719b9fc8fe74470880d49b6..99460699123633b2bfd107cfc1be7814ba5284ae 100644
--- a/content/browser/android/content_view_core_impl.cc
+++ b/content/browser/android/content_view_core_impl.cc
@@ -743,19 +743,44 @@ ScopedJavaLocalRef<jobject> ContentViewCoreImpl::CreateTouchEventSynthesizer() {
   return Java_ContentViewCore_createTouchEventSynthesizer(env, obj.obj());
 }
 
-void ContentViewCoreImpl::NotifyExternalSurface(
-    int player_id, bool is_request, const gfx::RectF& rect) {
+void ContentViewCoreImpl::RequestExternalVideoSurface(int player_id) {
   JNIEnv* env = AttachCurrentThread();
 
   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
   if (obj.is_null())
     return;
 
-  Java_ContentViewCore_notifyExternalSurface(
+  Java_ContentViewCore_requestExternalVideoSurface(
+      env,
+      obj.obj(),
+      static_cast<jint>(player_id));
+}
+
+void ContentViewCoreImpl::ReleaseExternalVideoSurface(int player_id) {
+  JNIEnv* env = AttachCurrentThread();
+
+  ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
+  if (obj.is_null())
+    return;
+
+  Java_ContentViewCore_releaseExternalVideoSurface(
+      env,
+      obj.obj(),
+      static_cast<jint>(player_id));
+}
+
+void ContentViewCoreImpl::NotifyExternalVideoSurfacePositionChanged(
+    int player_id, const gfx::RectF& rect) {
+  JNIEnv* env = AttachCurrentThread();
+
+  ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
+  if (obj.is_null())
+    return;
+
+  Java_ContentViewCore_notifyExternalVideoSurfacePositionChanged(
       env,
       obj.obj(),
       static_cast<jint>(player_id),
-      static_cast<jboolean>(is_request),
       static_cast<jfloat>(rect.x()),
       static_cast<jfloat>(rect.y()),
       static_cast<jfloat>(rect.width()),