Add component for feature engagement tracking.

chrome/browser/BUILD.gn

 # 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.
 
 import("//build/config/chrome_build.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//build/split_static_library.gni")
 import("//chrome/common/features.gni")
@@ skipping 385 matching lines @@
     "favicon/chrome_favicon_client.cc",
     "favicon/chrome_favicon_client.h",
     "favicon/fallback_icon_service_factory.cc",
     "favicon/fallback_icon_service_factory.h",
     "favicon/favicon_service_factory.cc",
     "favicon/favicon_service_factory.h",
     "favicon/favicon_utils.cc",
     "favicon/favicon_utils.h",
     "favicon/large_icon_service_factory.cc",
     "favicon/large_icon_service_factory.h",
+    "feature_engagement_tracker/feature_engagement_tracker_factory.cc",
+    "feature_engagement_tracker/feature_engagement_tracker_factory.h",
     "file_select_helper.cc",
     "file_select_helper.h",
     "file_select_helper_mac.mm",
     "flag_descriptions.cc",
     "flag_descriptions.h",
     "fullscreen.h",
     "fullscreen_chromeos.cc",
     "fullscreen_mac.mm",
     "fullscreen_win.cc",
     "gcm/gcm_product_util.cc",
@@ skipping 1032 matching lines @@
     "//components/data_use_measurement/content",
     "//components/data_use_measurement/core:ascriber",
     "//components/device_event_log",
     "//components/dom_distiller/content/browser",
     "//components/domain_reliability",
     "//components/doodle",
     "//components/error_page/common",
     "//components/favicon/content",
     "//components/favicon/core",
     "//components/favicon_base",
+    "//components/feature_engagement_tracker",
     "//components/flags_ui",
     "//components/gcm_driver",
     "//components/google/core/browser",
     "//components/guest_view/browser",
     "//components/handoff",
     "//components/history/content/browser",
     "//components/history/core/browser",
     "//components/history/core/common",
     "//components/infobars/core",
     "//components/invalidation/impl",
@@ skipping 1267 matching lines @@
       "android/download/intercept_download_resource_throttle.cc",
       "android/download/intercept_download_resource_throttle.h",
       "android/download/items/offline_content_aggregator_factory_android.cc",
       "android/download/items/offline_content_aggregator_factory_android.h",
       "android/download/mock_download_controller.cc",
       "android/download/mock_download_controller.h",
       "android/download/ui/thumbnail_provider.cc",
       "android/download/ui/thumbnail_provider.h",
       "android/favicon_helper.cc",
       "android/favicon_helper.h",
+      "android/feature_engagement_tracker/feature_engagement_tracker_factory_android.cc",
+      "android/feature_engagement_tracker/feature_engagement_tracker_factory_android.h",
       "android/feature_utilities.cc",
       "android/feature_utilities.h",
       "android/feedback/connectivity_checker.cc",
       "android/feedback/connectivity_checker.h",
       "android/feedback/screenshot_task.cc",
       "android/feedback/screenshot_task.h",
       "android/find_in_page/find_in_page_bridge.cc",
       "android/find_in_page/find_in_page_bridge.h",
       "android/foreign_session_helper.cc",
       "android/foreign_session_helper.h",
@@ skipping 1296 matching lines @@
       "../android/java/src/org/chromium/chrome/browser/download/ChromeDownloadDelegate.java",
       "../android/java/src/org/chromium/chrome/browser/download/DownloadController.java",
       "../android/java/src/org/chromium/chrome/browser/download/DownloadInfo.java",
       "../android/java/src/org/chromium/chrome/browser/download/DownloadItem.java",
       "../android/java/src/org/chromium/chrome/browser/download/DownloadManagerService.java",
       "../android/java/src/org/chromium/chrome/browser/download/items/OfflineContentAggregatorFactory.java",
       "../android/java/src/org/chromium/chrome/browser/download/ui/ThumbnailProviderImpl.java",
       "../android/java/src/org/chromium/chrome/browser/engagement/SiteEngagementService.java",
       "../android/java/src/org/chromium/chrome/browser/favicon/FaviconHelper.java",
       "../android/java/src/org/chromium/chrome/browser/favicon/LargeIconBridge.java",
+      "../android/java/src/org/chromium/chrome/browser/feature_engagement_tracker/FeatureEngagementTrackerFactory.java",
       "../android/java/src/org/chromium/chrome/browser/feedback/ConnectivityChecker.java",
       "../android/java/src/org/chromium/chrome/browser/feedback/ScreenshotTask.java",
       "../android/java/src/org/chromium/chrome/browser/findinpage/FindInPageBridge.java",
       "../android/java/src/org/chromium/chrome/browser/history/BrowsingHistoryBridge.java",
       "../android/java/src/org/chromium/chrome/browser/historyreport/HistoryReportJniBridge.java",
       "../android/java/src/org/chromium/chrome/browser/infobar/AppBannerInfoBarAndroid.java",
       "../android/java/src/org/chromium/chrome/browser/infobar/AppBannerInfoBarDelegateAndroid.java",
       "../android/java/src/org/chromium/chrome/browser/infobar/AutofillCreditCardFillingInfoBar.java",
       "../android/java/src/org/chromium/chrome/browser/infobar/AutofillSaveCardInfoBar.java",
       "../android/java/src/org/chromium/chrome/browser/infobar/ConfirmInfoBar.java",
@@ skipping 548 matching lines @@
       "media/pepper_cdm_test_constants.cc",
       "media/pepper_cdm_test_constants.h",
     ]
   }
 }
 
 service_manifest("preferences_manifest") {
   name = "preferences"
   source = "prefs/preferences_manifest.json"
 }