Implement a JavaScript API for document scanning

chrome/chrome_tests_unit.gypi

 # Copyright 2012 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': {
     'chrome_unit_tests_sources': [
       '../apps/saved_files_service_unittest.cc',
       '../components/autofill/content/renderer/test_password_autofill_agent.cc',
       '../components/autofill/content/renderer/test_password_autofill_agent.h',
       '../components/autofill/content/renderer/test_password_generation_agent.cc',
@@ skipping 306 matching lines @@
       'browser/extensions/api/declarative/rules_registry_with_cache_unittest.cc',
       'browser/extensions/api/declarative_content/content_action_unittest.cc',
       'browser/extensions/api/declarative_content/content_condition_unittest.cc',
       'browser/extensions/api/declarative_content/chrome_content_rules_registry_unittest.cc',
       'browser/extensions/api/declarative_webrequest/webrequest_action_unittest.cc',
       'browser/extensions/api/declarative_webrequest/webrequest_rules_registry_unittest.cc',
       'browser/extensions/api/device_permissions_manager_unittest.cc',
       'browser/extensions/api/dial/dial_device_data_unittest.cc',
       'browser/extensions/api/dial/dial_registry_unittest.cc',
       'browser/extensions/api/dial/dial_service_unittest.cc',
+      'browser/extensions/api/document_scan/document_scan_api_unittest.cc',
+      'browser/extensions/api/document_scan/mock_document_scan_interface.cc',
       'browser/extensions/api/easy_unlock_private/easy_unlock_private_api_chromeos_unittest.cc',
       'browser/extensions/api/enterprise_platform_keys_private/enterprise_platform_keys_private_api_unittest.cc',
       'browser/extensions/api/experience_sampling_private/experience_sampling_private_api_unittest.cc',
       'browser/extensions/api/extension_action/extension_action_prefs_unittest.cc',
       'browser/extensions/api/file_handlers/mime_util_unittest.cc',
       'browser/extensions/api/file_system/file_system_api_unittest.cc',
       'browser/extensions/api/identity/extension_token_key_unittest.cc',
       'browser/extensions/api/identity/gaia_web_auth_flow_unittest.cc',
       'browser/extensions/api/identity/identity_mint_queue_unittest.cc',
       'browser/extensions/api/idle/idle_api_unittest.cc',
@@ skipping 1966 matching lines @@
             'browser/signin/signin_global_error_unittest.cc',
             'browser/signin/signin_manager_unittest.cc',
             'browser/signin/signin_names_io_thread_unittest.cc',
             'browser/sync/sync_global_error_unittest.cc',
             'browser/ui/sync/one_click_signin_helper_unittest.cc',
             'browser/ui/sync/one_click_signin_sync_starter_unittest.cc',
             'browser/ui/views/frame/opaque_browser_frame_view_layout_unittest.cc',
             'browser/upgrade_detector_impl_unittest.cc',
           ],
           'sources': [
+            'browser/extensions/api/document_scan/document_scan_interface_chromeos_unittest.cc',
             'browser/extensions/updater/local_extension_cache_unittest.cc',
             'browser/metrics/chromeos_metrics_provider_unittest.cc',
           ],
           'sources/': [
             ['exclude', '^browser/ui/views/app_list/linux/'],
           ],
         }, { # else: chromeos == 0
           'sources/': [
             ['exclude', '^browser/chromeos/'],
             ['exclude', '^browser/ui/webui/chromeos/imageburner/'],
@@ skipping 584 matching lines @@
               'dependencies': [
                 '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
               ],
             }],
           ],
         },
       ],
     }],
   ],  # 'conditions'
 }