Add activity recording capability to gcm internals page. User can refresh, start/stop recording, an…

google_apis/gcm/gcm.gyp

 # 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': [
@@ skipping 54 matching lines @@
         'engine/registration_info.cc',
         'engine/registration_info.h',
         'engine/registration_request.cc',
         'engine/registration_request.h',
         'engine/unregistration_request.cc',
         'engine/unregistration_request.h',
         'gcm_client.cc',
         'gcm_client.h',
         'gcm_client_impl.cc',
         'gcm_client_impl.h',
+        'gcm_stats_recorder.cc',
+        'gcm_stats_recorder.h',
         'protocol/android_checkin.proto',
         'protocol/checkin.proto',
         'protocol/mcs.proto',
       ],
       'includes': [
         '../../build/protoc.gypi'
       ],
     },
 
     # A standalone MCS (mobile connection server) client.
@@ skipping 46 matching lines @@
         'engine/connection_handler_impl_unittest.cc',
         'engine/fake_connection_factory.cc',
         'engine/fake_connection_factory.h',
         'engine/fake_connection_handler.cc',
         'engine/fake_connection_handler.h',
         'engine/gcm_store_impl_unittest.cc',
         'engine/heartbeat_manager_unittest.cc',
         'engine/mcs_client_unittest.cc',
         'engine/registration_request_unittest.cc',
         'engine/unregistration_request_unittest.cc',
-        'gcm_client_impl_unittest.cc'
+        'gcm_client_impl_unittest.cc',
+        'gcm_stats_recorder_unittest.cc'
       ]
     },
   ],
 }