[Cast] Consolidate plethora of GYP files into cast.gyp and cast_testing.gypi.

media/cast/rtp_receiver/rtp_parser/rtp_parser.gyp

Index: media/cast/rtp_receiver/rtp_parser/rtp_parser.gyp
diff --git a/media/cast/rtp_receiver/rtp_parser/rtp_parser.gyp b/media/cast/rtp_receiver/rtp_parser/rtp_parser.gyp
deleted file mode 100644
index 533533fb4c8e1dff73a96d7a616e48286c5018f7..0000000000000000000000000000000000000000
--- a/media/cast/rtp_receiver/rtp_parser/rtp_parser.gyp
+++ /dev/null
@@ -1,27 +0,0 @@
-# Copyright 2013 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': 'cast_rtp_parser',
-      'type': 'static_library',
-      'include_dirs': [
-        '<(DEPTH)/',
-        '<(DEPTH)/third_party/',
-      ],
-      'sources': [
-        'rtp_parser.cc',
-        'rtp_parser.h',
-      ], # source
-      'dependencies': [
-        '<(DEPTH)/base/base.gyp:base',
-        '<(DEPTH)/media/cast/transport/cast_transport.gyp:cast_transport',
-      ],
-    },
-  ],
-}