[GCM] Add RMQ storage and MCS message passing support

google_apis/gcm/gcm.gyp

Index: google_apis/gcm/gcm.gyp
diff --git a/google_apis/gcm/gcm.gyp b/google_apis/gcm/gcm.gyp
index f04fbee55b0ed285f6c08ead86b136e0b44c81fe..763bcad9e4a74cb1a5f8345ed58eb0b00fa816a3 100644
--- a/google_apis/gcm/gcm.gyp
+++ b/google_apis/gcm/gcm.gyp
@@ -30,16 +30,22 @@
       ],
       'dependencies': [
         '../../base/base.gyp:base',
+        '../../components/components.gyp:encryptor',
         '../../net/net.gyp:net',
+        '../../third_party/leveldatabase/leveldatabase.gyp:leveldatabase',
         '../../third_party/protobuf/protobuf.gyp:protobuf_lite'
       ],
       'sources': [
+        'base/mcs_message.h',
+        'base/mcs_message.cc',
         'base/mcs_util.h',
         'base/mcs_util.cc',
         'base/socket_stream.h',
         'base/socket_stream.cc',
         'engine/connection_handler.h',
         'engine/connection_handler.cc',
+        'engine/rmq_store.h',
+        'engine/rmq_store.cc',
         'protocol/mcs.proto',
       ],
       'includes': [
@@ -67,6 +73,7 @@
         'base/mcs_util_unittest.cc',
         'base/socket_stream_unittest.cc',
         'engine/connection_handler_unittest.cc',
+        'engine/rmq_store_unittest.cc',
       ]
     },
   ],