Enable the embedded L1/EME support in WebView.

android_webview/native/webview_native.gyp

 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 {
   'variables': {
     'chromium_code': 1,
   },
   'targets': [
     {
       'target_name': 'webview_native',
@@ skipping 63 matching lines @@
         'input_stream_impl.cc',
         'input_stream_impl.h',
         'intercepted_request_data_impl.cc',
         'intercepted_request_data_impl.h',
         'java_browser_view_renderer_helper.cc',
         'java_browser_view_renderer_helper.h',
         'net_init_native_callback.cc',
         'state_serializer.cc',
         'state_serializer.h',
       ],
+      'conditions': [
+        ['video_hole==1', {
+          'sources': [
+            'external_video_surface_container_impl.cc',
+            'external_video_surface_container_impl.h',
+          ],
+        }],
+      ],
     },
     {
       'target_name': 'input_stream_android_jar_jni_headers',
       'type': 'none',
       'variables': {
         'jni_gen_package': 'android_webview',
         'input_java_class': 'java/io/InputStream.class',
       },
       'includes': [ '../../build/jar_file_jni_generator.gypi' ],
     },
@@ skipping 18 matching lines @@
           '../java/src/org/chromium/android_webview/AwCookieManager.java',
           '../java/src/org/chromium/android_webview/AwDevToolsServer.java',
           '../java/src/org/chromium/android_webview/AwFormDatabase.java',
           '../java/src/org/chromium/android_webview/AwHttpAuthHandler.java',
           '../java/src/org/chromium/android_webview/AwPdfExporter.java',
           '../java/src/org/chromium/android_webview/AwPicture.java',
           '../java/src/org/chromium/android_webview/AwQuotaManagerBridge.java',
           '../java/src/org/chromium/android_webview/AwResource.java',
           '../java/src/org/chromium/android_webview/AwSettings.java',
           '../java/src/org/chromium/android_webview/AwWebContentsDelegate.java',
+          '../java/src/org/chromium/android_webview/ExternalVideoSurfaceContainer.java',
           '../java/src/org/chromium/android_webview/InterceptedRequestData.java',
           '../java/src/org/chromium/android_webview/JavaBrowserViewRendererHelper.java',
       ],
       'variables': {
         'jni_gen_package': 'android_webview',
         'jni_generator_ptr_type': 'long',
       },
       'includes': [ '../../build/jni_generator.gypi' ],
       'dependencies': [
         'input_stream_android_jar_jni_headers',
         'cancellation_signal_android_jar_jni_headers',
       ],
     },
   ],
 }