Compile FileCache related files only on Chrome OS.

components/drive.gypi

 # Copyright 2014 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': [
     {
       # GN version: //components/drive:drive
       'target_name': 'drive',
       'type': 'static_library',
       'include_dirs': [
         '..',
       ],
       'dependencies': [
         'drive_proto',
         '../base/base.gyp:base',
         '../components/components.gyp:invalidation_public',
 
         # TODO(lukasza): Remove this dependency (see DEPS file for more info).
         '../content/content.gyp:content_browser',
 
         '../google_apis/google_apis.gyp:google_apis',
         '../net/net.gyp:net',
         '../third_party/cacheinvalidation/cacheinvalidation.gyp:cacheinvalidation',
         '../third_party/cacheinvalidation/cacheinvalidation.gyp:cacheinvalidation_proto_cpp',
         '../third_party/leveldatabase/leveldatabase.gyp:leveldatabase',
         '../third_party/re2/re2.gyp:re2',
       ],
       'sources': [
-        'drive/change_list_loader.cc',
-        'drive/change_list_loader.h',
-        'drive/change_list_loader_observer.h',
-        'drive/change_list_processor.cc',
-        'drive/change_list_processor.h',
-        'drive/directory_loader.cc',
-        'drive/directory_loader.h',
         'drive/drive_api_util.cc',
         'drive/drive_api_util.h',
         'drive/drive_app_registry.cc',
         'drive/drive_app_registry.h',
         'drive/drive_app_registry_observer.h',
         'drive/drive_notification_manager.cc',
         'drive/drive_notification_manager.h',
         'drive/drive_notification_observer.h',
         'drive/drive_pref_names.cc',
         'drive/drive_pref_names.h',
         'drive/drive_uploader.cc',
         'drive/drive_uploader.h',
         'drive/event_logger.cc',
         'drive/event_logger.h',
-        'drive/file_cache.cc',
-        'drive/file_cache.h',
         'drive/file_change.cc',
         'drive/file_change.h',
         'drive/file_errors.cc',
         'drive/file_errors.h',
+        'drive/file_system_core_util.cc',
+        'drive/file_system_core_util.h',
+        'drive/file_system_metadata.cc',
+        'drive/file_system_metadata.h',
+        'drive/file_write_watcher.cc',
+        'drive/file_write_watcher.h',
+        'drive/job_list.cc',
+        'drive/job_list.h',
+        'drive/job_queue.cc',
+        'drive/job_queue.h',
+        'drive/job_scheduler.cc',
+        'drive/job_scheduler.h',
+        'drive/local_file_reader.cc',
+        'drive/local_file_reader.h',
+        'drive/resource_entry_conversion.cc',
+        'drive/resource_entry_conversion.h',
+        'drive/resource_metadata_storage.cc',
+        'drive/resource_metadata_storage.h',
+        'drive/service/drive_api_service.cc',
+        'drive/service/drive_api_service.h',
+        'drive/service/drive_service_interface.cc',
+        'drive/service/drive_service_interface.h',
+      ],
+    },
+
+    {
+      # GN version: //components/drive:drive_chromeos
+      'target_name': 'drive_chromeos',
+      'type': 'static_library',
+      'include_dirs': [
+        '..',
+      ],
+      'dependencies': [
+        'drive',
+        'drive_proto',
+        '../base/base.gyp:base',
+        '../google_apis/google_apis.gyp:google_apis',
+        '../net/net.gyp:net',
+      ],
+      # TODO(yawano): move these files under components/drive/chromeos.

[hashimoto, 2016/01/22 05:39:22]

Please add the same TODO to drive_test_support_chromeos and GN files.

[yawano, 2016/01/22 06:18:59]

Done.

+      'sources': [
+        'drive/change_list_loader.cc',
+        'drive/change_list_loader.h',
+        'drive/change_list_loader_observer.h',
+        'drive/change_list_processor.cc',
+        'drive/change_list_processor.h',
+        'drive/directory_loader.cc',
+        'drive/directory_loader.h',
+        'drive/file_cache.cc',
+        'drive/file_cache.h',
         'drive/file_system.cc',
         'drive/file_system.h',
+        'drive/file_system_interface.cc',
+        'drive/file_system_interface.h',
+        'drive/file_system_observer.h',
         'drive/file_system/copy_operation.cc',
         'drive/file_system/copy_operation.h',
         'drive/file_system/create_directory_operation.cc',
         'drive/file_system/create_directory_operation.h',
         'drive/file_system/create_file_operation.cc',
         'drive/file_system/create_file_operation.h',
         'drive/file_system/download_operation.cc',
         'drive/file_system/download_operation.h',
         'drive/file_system/get_file_for_saving_operation.cc',
         'drive/file_system/get_file_for_saving_operation.h',
         'drive/file_system/move_operation.cc',
         'drive/file_system/move_operation.h',
         'drive/file_system/open_file_operation.cc',
         'drive/file_system/open_file_operation.h',
         'drive/file_system/operation_delegate.cc',
         'drive/file_system/operation_delegate.h',
         'drive/file_system/remove_operation.cc',
         'drive/file_system/remove_operation.h',
         'drive/file_system/search_operation.cc',
         'drive/file_system/search_operation.h',
         'drive/file_system/set_property_operation.cc',
         'drive/file_system/set_property_operation.h',
         'drive/file_system/touch_operation.cc',
         'drive/file_system/touch_operation.h',
         'drive/file_system/truncate_operation.cc',
         'drive/file_system/truncate_operation.h',
-        'drive/file_system_core_util.cc',
-        'drive/file_system_core_util.h',
-        'drive/file_system_interface.cc',
-        'drive/file_system_interface.h',
-        'drive/file_system_metadata.cc',
-        'drive/file_system_metadata.h',
-        'drive/file_system_observer.h',
-        'drive/file_write_watcher.cc',
-        'drive/file_write_watcher.h',
-        'drive/job_list.cc',
-        'drive/job_list.h',
-        'drive/job_queue.cc',
-        'drive/job_queue.h',
-        'drive/job_scheduler.cc',
-        'drive/job_scheduler.h',
-        'drive/local_file_reader.cc',
-        'drive/local_file_reader.h',
         'drive/remove_stale_cache_files.cc',
         'drive/remove_stale_cache_files.h',
-        'drive/resource_entry_conversion.cc',
-        'drive/resource_entry_conversion.h',
         'drive/resource_metadata.cc',
         'drive/resource_metadata.h',
-        'drive/resource_metadata_storage.cc',
-        'drive/resource_metadata_storage.h',
         'drive/search_metadata.cc',
         'drive/search_metadata.h',
-        'drive/service/drive_api_service.cc',
-        'drive/service/drive_api_service.h',
-        'drive/service/drive_service_interface.cc',
-        'drive/service/drive_service_interface.h',
+        'drive/sync_client.cc',
+        'drive/sync_client.h',
         'drive/sync/entry_revert_performer.cc',
         'drive/sync/entry_revert_performer.h',
         'drive/sync/entry_update_performer.cc',
         'drive/sync/entry_update_performer.h',
         'drive/sync/remove_performer.cc',
         'drive/sync/remove_performer.h',
-        'drive/sync_client.cc',
-        'drive/sync_client.h',
       ],
     },
 
     {
       # GN version: //components/drive:proto
       # Protobuf compiler / generator for the Drive protocol buffer.
       'target_name': 'drive_proto',
       'type': 'static_library',
       'sources': [ 'drive/drive.proto' ],
       'variables': {
@@ skipping 12 matching lines @@
       ],
       'dependencies': [
         'drive',
         'drive_proto',
         '../base/base.gyp:base',
         '../content/content_shell_and_tests.gyp:test_support_content',
         '../google_apis/google_apis.gyp:google_apis',
         '../net/net.gyp:net',
       ],
       'sources': [
-        "drive/drive_test_util.cc",
-        "drive/drive_test_util.h",
-        "drive/dummy_file_system.cc",
-        "drive/dummy_file_system.h",
-        "drive/fake_file_system.cc",
-        "drive/fake_file_system.h",
-        "drive/fake_free_disk_space_getter.cc",
-        "drive/fake_free_disk_space_getter.h",
         "drive/service/dummy_drive_service.cc",
         "drive/service/dummy_drive_service.h",
         "drive/service/fake_drive_service.cc",
         "drive/service/fake_drive_service.h",
         "drive/service/test_util.cc",
         "drive/service/test_util.h",
       ],
     },
 
+    {
+      # GN version: //components/drive:test_support_chromeos
+      'target_name': 'drive_test_support_chromeos',
+      'type': 'static_library',
+      'include_dirs': [
+        '..',
+      ],
+      'dependencies': [
+        'drive',
+        'drive_chromeos',
+        'drive_proto',
+        '../base/base.gyp:base',
+        '../content/content_shell_and_tests.gyp:test_support_content',
+      ],
+      'sources': [
+        "drive/drive_test_util.cc",
+        "drive/drive_test_util.h",
+        "drive/dummy_file_system.cc",
+        "drive/dummy_file_system.h",
+        "drive/fake_file_system.cc",
+        "drive/fake_file_system.h",
+        "drive/fake_free_disk_space_getter.cc",
+        "drive/fake_free_disk_space_getter.h",
+      ]
+    }
+
     # TODO(lukasza): drive_unittests target.
     # Currently tests are built as part of chrome/chrome_tests_unit.gypi.
   ],
 }