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

chrome/chrome_common.gypi

 # Copyright (c) 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.
 
 {
   'targets': [
     {
       'target_name': 'common',
       'type': 'static_library',
       'variables': {
@@ skipping 27 matching lines @@
         '<(DEPTH)/chrome/common_constants.gyp:common_constants',
         '<(DEPTH)/components/components.gyp:cloud_devices_common',
         '<(DEPTH)/components/components.gyp:json_schema',
         '<(DEPTH)/components/components.gyp:metrics',
         '<(DEPTH)/components/components.gyp:policy_component_common',
         '<(DEPTH)/components/components.gyp:translate_core_common',
         '<(DEPTH)/components/components.gyp:variations',
         '<(DEPTH)/content/content.gyp:content_common',
         '<(DEPTH)/crypto/crypto.gyp:crypto',
         '<(DEPTH)/extensions/extensions_strings.gyp:extensions_strings',
-        '<(DEPTH)/media/cast/transport/cast_transport.gyp:cast_transport',
+        '<(DEPTH)/media/cast/cast.gyp:cast_transport',
         '<(DEPTH)/net/net.gyp:net',
         '<(DEPTH)/skia/skia.gyp:skia',
         '<(DEPTH)/third_party/icu/icu.gyp:icui18n',
         '<(DEPTH)/third_party/icu/icu.gyp:icuuc',
         '<(DEPTH)/third_party/libxml/libxml.gyp:libxml',
         '<(DEPTH)/third_party/sqlite/sqlite.gyp:sqlite',
         '<(DEPTH)/third_party/zlib/google/zip.gyp:zip',
         '<(DEPTH)/ui/resources/ui_resources.gyp:ui_resources',
         '<(DEPTH)/url/url.gyp:url_lib',
       ],
@@ skipping 629 matching lines @@
         'common/metrics/proto/user_action_event.proto',
       ],
       'variables': {
         'proto_in_dir': 'common/metrics/proto',
         'proto_out_dir': 'chrome/common/metrics/proto',
       },
       'includes': [ '../build/protoc.gypi' ],
     },
   ],
 }