[Sync] Initial implementation of foreign sessions suggestions provider.

components/ntp_snippets/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/ui.gni")
 
 if (is_android) {
   import("//build/config/android/config.gni")
   import("//build/config/android/rules.gni")
 }
@@ skipping 35 matching lines @@
     "ntp_snippets_service.cc",
     "ntp_snippets_service.h",
     "ntp_snippets_status_service.cc",
     "ntp_snippets_status_service.h",
     "offline_pages/offline_page_suggestions_provider.cc",
     "offline_pages/offline_page_suggestions_provider.h",
     "physical_web_pages/physical_web_page_suggestions_provider.cc",
     "physical_web_pages/physical_web_page_suggestions_provider.h",
     "pref_names.cc",
     "pref_names.h",
+    "pref_util.cc",
+    "pref_util.h",
     "request_throttler.cc",
     "request_throttler.h",
+    "sessions/foreign_sessions_suggestions_provider.cc",
+    "sessions/foreign_sessions_suggestions_provider.h",
+    "sessions/tab_delegate_sync_adapter.cc",
+    "sessions/tab_delegate_sync_adapter.h",
     "switches.cc",
     "switches.h",
     "user_classifier.cc",
     "user_classifier.h",
   ]
 
   public_deps = [
     "//base",
     "//components/keyed_service/core",
     "//components/leveldb_proto",
     "//components/prefs",
     "//components/signin/core/browser",
     "//components/suggestions",
     "//components/sync",
     "//google_apis",
     "//net",
     "//ui/base",
     "//url",
   ]
 
   deps = [
     "//components/bookmarks/browser",
     "//components/data_use_measurement/core",
     "//components/history/core/browser",
     "//components/image_fetcher",
     "//components/metrics",
     "//components/ntp_snippets/proto",
     "//components/offline_pages",
+    "//components/sessions",
     "//components/strings",
+    "//components/sync_sessions",
     "//components/variations",
     "//components/variations/net",
     "//third_party/icu/",
     "//ui/gfx",
   ]
 }
 
 if (is_android) {
   java_cpp_enum("ntp_snippets_java_enums_srcjar") {
     sources = [
@@ skipping 15 matching lines @@
     "ntp_snippet_unittest.cc",
     "ntp_snippets_database_unittest.cc",
     "ntp_snippets_fetcher_unittest.cc",
     "ntp_snippets_service_unittest.cc",
     "ntp_snippets_status_service_unittest.cc",
     "ntp_snippets_test_utils.cc",
     "ntp_snippets_test_utils.h",
     "offline_pages/offline_page_suggestions_provider_unittest.cc",
     "physical_web_pages/physical_web_page_suggestions_provider_unittest.cc",
     "request_throttler_unittest.cc",
+    "sessions/foreign_sessions_suggestions_provider_unittest.cc",
   ]
 
   deps = [
     ":ntp_snippets",
     "//base",
     "//base/test:test_support",
     "//components/bookmarks/browser",
     "//components/bookmarks/test",
     "//components/image_fetcher",
     "//components/leveldb_proto:test_support",
     "//components/offline_pages",
     "//components/offline_pages:test_support",
+    "//components/sessions",
+    "//components/sessions:test_support",
     "//components/signin/core/browser:test_support",
     "//components/signin/core/common",
     "//components/strings",
     "//components/sync:test_support_sync_driver",
+    "//components/sync_sessions",
     "//components/variations",
     "//net:test_support",
     "//testing/gtest",
     "//third_party/icu/",
     "//ui/gfx:test_support",
   ]
 }