Cast: Update simulator tool with more inputs.

media/cast/cast_testing.gypi

Index: media/cast/cast_testing.gypi
diff --git a/media/cast/cast_testing.gypi b/media/cast/cast_testing.gypi
index 41d39659b51a2808e023b60c789590b71f05e313..e6c7c56e295e2c27e7fd686ecf19371991d8f804 100644
--- a/media/cast/cast_testing.gypi
+++ b/media/cast/cast_testing.gypi
@@ -240,6 +240,7 @@
       ],
       'dependencies': [
         'cast_base',
+        'cast_network_model_proto',
         'cast_sender',
         'cast_test_utility',
         'cast_transport',
@@ -255,6 +256,22 @@
       ],
     },
     {
+      # GN version: //media/cast/test/proto
+      'target_name': 'cast_network_model_proto',
+      'type': 'static_library',
+      'include_dirs': [
+        '<(DEPTH)/',
+      ],
+      'sources': [
+        'test/proto/network_simulation_model.proto',
+      ],
+      'variables': {
+        'proto_in_dir': 'test/proto',
+        'proto_out_dir': 'media/cast/test/proto',
+      },
+      'includes': ['../../build/protoc.gypi'],
+    },
+    {
       'target_name': 'generate_barcode_video',
       'type': 'executable',
       'include_dirs': [