Enable the embedded L1/EME support in WebView.

content/public/android/java/src/org/chromium/content/browser/ContentViewClient.java

Index: content/public/android/java/src/org/chromium/content/browser/ContentViewClient.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/ContentViewClient.java b/content/public/android/java/src/org/chromium/content/browser/ContentViewClient.java
index f8706510de374eca83a599ea0c1f8aa41b010a6e..5ae5dbb5022029206ead012c7d7109836af939be 100644
--- a/content/public/android/java/src/org/chromium/content/browser/ContentViewClient.java
+++ b/content/public/android/java/src/org/chromium/content/browser/ContentViewClient.java
@@ -7,7 +7,6 @@ package org.chromium.content.browser;
 import android.content.ActivityNotFoundException;
 import android.content.Context;
 import android.content.Intent;
-import android.graphics.RectF;
 import android.util.Log;
 import android.view.ActionMode;
 import android.view.KeyEvent;
@@ -161,12 +160,6 @@ public class ContentViewClient {
         }
     }
 
-    public void onExternalVideoSurfaceRequested(int playerId) {
-    }
-
-    public void onGeometryChanged(int playerId, RectF rect) {
-    }
-
     public ContentVideoViewClient getContentVideoViewClient() {
         return null;
     }