Enable compilation of //components/password_manager on iOS with gn.

components/BUILD.gn

Index: components/BUILD.gn
diff --git a/components/BUILD.gn b/components/BUILD.gn
index 304db55ba31ca6d2062b2ecde44c19a772e7d047..9f8cc7f8709a924349d1b5495b84ae75b64405a1 100644
--- a/components/BUILD.gn
+++ b/components/BUILD.gn
@@ -35,6 +35,9 @@ group("all_components") {
     "//components/data_reduction_proxy/core/common",
     "//components/device_event_log",
     "//components/google/core/browser",
+    "//components/password_manager/core/browser",
+    "//components/password_manager/core/common",
+    "//components/password_manager/sync/browser",
     "//components/search",
     "//components/search_engines",
     "//components/sessions",
@@ -113,8 +116,6 @@ group("all_components") {
       "//components/packed_ct_ev_whitelist",
       "//components/pairing",
       "//components/password_manager/content/browser",
-      "//components/password_manager/core/browser",
-      "//components/password_manager/core/common",
       "//components/pdf/browser",
       "//components/pdf/common",
       "//components/pdf/renderer",
@@ -325,6 +326,9 @@ test("components_unittests") {
     "//components/data_usage/core:unit_tests",
     "//components/google/core/browser:unit_tests",
     "//components/net_log:unit_tests",
+    "//components/password_manager/core/browser:unit_tests",
+    "//components/password_manager/core/common:unit_tests",
+    "//components/password_manager/sync/browser:unit_tests",
     "//components/search:unit_tests",
     "//components/sessions:unit_tests",
     "//components/syncable_prefs:unit_tests",
@@ -400,9 +404,6 @@ test("components_unittests") {
       "//components/open_from_clipboard:unit_tests",
       "//components/packed_ct_ev_whitelist:unit_tests",
       "//components/password_manager/content/browser:unit_tests",
-      "//components/password_manager/core/browser:unit_tests",
-      "//components/password_manager/core/common:unit_tests",
-      "//components/password_manager/sync/browser:unit_tests",
       "//components/precache/content:unit_tests",
       "//components/precache/core:unit_tests",
       "//components/proxy_config:unit_tests",