Cast: Added a new RawEventSubscriber implementation for use in cast extension.

media/cast/cast.gyp

Index: media/cast/cast.gyp
diff --git a/media/cast/cast.gyp b/media/cast/cast.gyp
index 21e5e554f2d89bc0de922a80423ca755c89ddb9b..29ba29aab37eb795fbb32a6be2780d25e5eaf074 100644
--- a/media/cast/cast.gyp
+++ b/media/cast/cast.gyp
@@ -15,6 +15,7 @@
         '<(DEPTH)/',
       ],
       'dependencies': [
+        'cast_logging_proto_lib',
         '<(DEPTH)/base/base.gyp:base',
       ],
       'sources': [
@@ -23,6 +24,8 @@
         'cast_defines.h',
         'cast_environment.cc',
         'cast_environment.h',
+        'logging/encoding_event_subscriber.cc',
+        'logging/encoding_event_subscriber.h',
         'logging/logging_defines.cc',
         'logging/logging_defines.h',
         'logging/logging_impl.cc',
@@ -45,6 +48,7 @@
           'type': '<(gtest_target_type)',
           'dependencies': [
             'cast_config',
+            'cast_logging_proto_lib',
             'cast_receiver.gyp:cast_receiver',
             'cast_sender.gyp:cast_sender',
             'test/utility/utility.gyp:cast_test_utility',
@@ -69,6 +73,7 @@
             'framer/cast_message_builder_unittest.cc',
             'framer/frame_buffer_unittest.cc',
             'framer/framer_unittest.cc',
+            'logging/encoding_event_subscriber_unittest.cc',
             'logging/logging_impl_unittest.cc',
             'logging/logging_raw_unittest.cc',
             'logging/simple_event_subscriber_unittest.cc',
@@ -164,6 +169,19 @@
           }],
           ],
         },
+        {
+          'target_name': 'cast_logging_proto_lib',
+          'type': 'static_library',
+          'sources': [
+            'logging/proto/proto_utils.cc',
+            'logging/proto/raw_events.proto',
+          ],
+          'variables': {
+            'proto_in_dir': 'logging/proto',
+            'proto_out_dir': 'media/cast/logging/proto',
+          },
+          'includes': ['../../build/protoc.gypi'],
+        },
       ],  # targets
     }], # include_tests
   ],