Add media Remoter mojo interface and RendererWMPDelegate accessor.

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 cca7f6d308ff53e3a89f1a8c1e4c1e9e2a7f8e7d..8dee05d786270b3ce032d6675ae1e2772aff1990 100644
--- a/media/mojo/interfaces/mojo_bindings.gyp
+++ b/media/mojo/interfaces/mojo_bindings.gyp
@@ -100,5 +100,16 @@
         'image_capture.mojom',
       ],
     },
+    {
+      # GN version: //media/mojo/interfaces:remoter
+      'target_name': 'remoter_mojo_bindings',
+      'type': 'static_library',
+      'includes': [
+        '../../../mojo/mojom_bindings_generator.gypi',
+      ],
+      'sources': [
+        'remoter.mojom',
+      ],
+    },
   ],
 }