Mojo interfaces needed for switching audio rendering stream creation and closing from IPC to Mojo

media/mojo/interfaces/mojo_bindings.gyp

Index: media/mojo/interfaces/mojo_bindings.gyp
diff --git a/media/mojo/interfaces/mojo_bindings.gyp b/media/mojo/interfaces/mojo_bindings.gyp
index 3e3c6ac86a4436d3685ef0df7c4cf48dfe728b1a..555100a62e7985e3b4300add8f675a0dd01cc4c0 100644
--- a/media/mojo/interfaces/mojo_bindings.gyp
+++ b/media/mojo/interfaces/mojo_bindings.gyp
@@ -47,5 +47,28 @@
         '<(SHARED_INTERMEDIATE_DIR)/media/mojo/interfaces/provision_fetcher.mojom.h',
       ],
     },
+    {
+      # GN version: //content/common:mojo_bindings
+      'includes': [ '../../../mojo/mojom_bindings_generator.gypi' ],
+      'target_name': 'audio_output_mojom',
+      'type': 'none',
+      'variables': {
+        'mojom_files': [
+          'audio_output.mojom',
+        ],
+      },
+      'dependencies': [
+       '../../../mojo/mojo_public.gyp:mojo_cpp_bindings',
+      ],
+      'includes': [ '../../../mojo/mojom_bindings_generator_explicit.gypi' ],
+    },
+    {
+      'target_name': 'audio_output_mojom_bindings',
+      'type': 'static_library',
+      'dependencies': [
+        'audio_output_mojom',
+      ],
+    },
+
   ],
 }