Add gcm, nfc and bluetooth to GN build.

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': [
     # The public GCM target.
     {
+      # GN version: //google_apis/gcm
       'target_name': 'gcm',
       'type': '<(component)',
       'variables': {
         'enable_wexit_time_destructors': 1,
         'proto_in_dir': './protocol',
         'proto_out_dir': 'google_apis/gcm/protocol',
         'cc_generator_options': 'dllexport_decl=GCM_EXPORT:',
         'cc_include': 'google_apis/gcm/base/gcm_export.h',
       },
       'include_dirs': [
         '../..',
       ],
       'defines': [
         'GCM_IMPLEMENTATION',
       ],
       'export_dependent_settings': [
         '../../third_party/protobuf/protobuf.gyp:protobuf_lite'
       ],
       'dependencies': [
         '../../base/base.gyp:base',
         '../../base/third_party/dynamic_annotations/dynamic_annotations.gyp:dynamic_annotations',
         '../../net/net.gyp:net',
         '../../third_party/leveldatabase/leveldatabase.gyp:leveldatabase',
         '../../third_party/protobuf/protobuf.gyp:protobuf_lite',
         '../../url/url.gyp:url_lib',
       ],
       'sources': [
+        # Note: sources list duplicated in GN build.
         'base/mcs_message.cc',
         'base/mcs_message.h',
         'base/mcs_util.cc',
         'base/mcs_util.h',
         'base/socket_stream.cc',
         'base/socket_stream.h',
         'engine/checkin_request.cc',
         'engine/checkin_request.h',
         'engine/connection_factory.cc',
         'engine/connection_factory.h',
@@ skipping 24 matching lines @@
         'protocol/checkin.proto',
         'protocol/mcs.proto',
       ],
       'includes': [
         '../../build/protoc.gypi'
       ],
     },
 
     # The test support library that is needed to test gcm.
     {
+      # GN version: //google_apis/gcm:test_support
       'target_name': 'gcm_test_support',
       'type': 'static_library',
       'include_dirs': [
         '..',
       ],
       'export_dependent_settings': [
         '../../third_party/protobuf/protobuf.gyp:protobuf_lite'
       ],
       'dependencies': [
         '../../base/base.gyp:base',
         '../../testing/gtest.gyp:gtest',
         '../../third_party/protobuf/protobuf.gyp:protobuf_lite',
         'gcm',
       ],
       'sources': [
+        # Note: sources list duplicated in GN build.
         'base/fake_encryptor.cc',
         'base/fake_encryptor.h',
         'engine/fake_connection_factory.cc',
         'engine/fake_connection_factory.h',
         'engine/fake_connection_handler.cc',
         'engine/fake_connection_handler.h',
         'monitoring/fake_gcm_stats_recorder.cc',
         'monitoring/fake_gcm_stats_recorder.h',
       ],
     },    
 
     # A standalone MCS (mobile connection server) client.
     {
+      # GN version: //google_apis/gcm:mcs_probe
       'target_name': 'mcs_probe',
       'type': 'executable',
       'variables': { 'enable_wexit_time_destructors': 1, },
       'include_dirs': [
         '../..',
       ],
       'dependencies': [
         '../../base/base.gyp:base',
         '../../net/net.gyp:net',
         '../../net/net.gyp:net_test_support',
         '../../third_party/protobuf/protobuf.gyp:protobuf_lite',
         'gcm',
         'gcm_test_support'
       ],
       'sources': [
+        # Note: file list duplicated in GN build.
         'tools/mcs_probe.cc',
       ],
     },
 
     # The main GCM unit tests.
     {
       'target_name': 'gcm_unit_tests',
       'type': '<(gtest_target_type)',
       'variables': { 'enable_wexit_time_destructors': 1, },
       'include_dirs': [
         '../..',
       ],
       'export_dependent_settings': [
         '../../third_party/protobuf/protobuf.gyp:protobuf_lite'
       ],
       'dependencies': [
         '../../base/base.gyp:run_all_unittests',
         '../../base/base.gyp:base',
         '../../net/net.gyp:net',
         '../../net/net.gyp:net_test_support',
         '../../testing/gtest.gyp:gtest',
         '../../third_party/protobuf/protobuf.gyp:protobuf_lite',
-        'mcs_probe',

[brettw, 2014/07/15 21:54:35]

This removal was on purpose. It was depending on an executable which doesn't
make much sense. I verified the test runs without the executable.

         'gcm',
         'gcm_test_support'
       ],
       'sources': [
         'base/mcs_message_unittest.cc',
         'base/mcs_util_unittest.cc',
         'base/socket_stream_unittest.cc',
         'engine/checkin_request_unittest.cc',
         'engine/connection_factory_impl_unittest.cc',
         'engine/connection_handler_impl_unittest.cc',
         'engine/gcm_store_impl_unittest.cc',
         'engine/gservices_settings_unittest.cc',
         'engine/heartbeat_manager_unittest.cc',
         'engine/mcs_client_unittest.cc',
         'engine/registration_request_unittest.cc',
         'engine/unregistration_request_unittest.cc',
       ]
     },
   ],
 }