arc:Integration test for Arc package Chrome sync.

chrome/test/BUILD.gn

Index: chrome/test/BUILD.gn
diff --git a/chrome/test/BUILD.gn b/chrome/test/BUILD.gn
index 12a12d78c8c42a2176debfe12476bb0a90a78b33..92677ab5fd26eeef29a3ff40c9eebc5d16947555 100644
--- a/chrome/test/BUILD.gn
+++ b/chrome/test/BUILD.gn
@@ -722,10 +722,18 @@ if (!is_android) {
     }
     if (!is_chromeos) {
       sources -= [
+        "../browser/sync/test/integration/sync_arc_package_helper.cc",
+        "../browser/sync/test/integration/sync_arc_package_helper.h",
         "../browser/sync/test/integration/wifi_credentials_helper.cc",
         "../browser/sync/test/integration/wifi_credentials_helper.h",
       ]
     }
+    if (is_chromeos) {
+      deps += [
+        "//components/arc:arc_test_support",
+        "//components/user_manager:test_support",
+      ]
+    }
   }
 
   js2gtest("browser_tests_js_webui") {
@@ -1585,7 +1593,9 @@ if (!is_android) {
     }
     if (!is_chromeos) {
       sources -= [
+        "../browser/sync/test/integration/single_client_arc_package_sync_test.cc",
         "../browser/sync/test/integration/single_client_wifi_credentials_sync_test.cc",
+        "../browser/sync/test/integration/two_client_arc_package_sync_test.cc",
         "../browser/sync/test/integration/two_client_wifi_credentials_sync_test.cc",
       ]
     }