Add a Physical Web omnibox autocomplete provider

components/omnibox/browser/BUILD.gn

Index: components/omnibox/browser/BUILD.gn
diff --git a/components/omnibox/browser/BUILD.gn b/components/omnibox/browser/BUILD.gn
index 3c3bddb2bd4984758193d38879806b8e677ff89c..aff7c5d098d66a5f6c5c999204379fb1261504fd 100644
--- a/components/omnibox/browser/BUILD.gn
+++ b/components/omnibox/browser/BUILD.gn
@@ -77,6 +77,8 @@ static_library("browser") {
     "omnibox_switches.h",
     "omnibox_view.cc",
     "omnibox_view.h",
+    "physical_web_provider.cc",
+    "physical_web_provider.h",
     "scored_history_match.cc",
     "scored_history_match.h",
     "search_provider.cc",
@@ -117,6 +119,7 @@ static_library("browser") {
     "//components/keyed_service/core",
     "//components/metrics",
     "//components/open_from_clipboard",
+    "//components/physical_web/data_source",
     "//components/pref_registry",
     "//components/prefs",
     "//components/query_parser",
@@ -227,6 +230,7 @@ source_set("unit_tests") {
     "omnibox_field_trial_unittest.cc",
     "omnibox_popup_model_unittest.cc",
     "omnibox_view_unittest.cc",
+    "physical_web_provider_unittest.cc",
     "scored_history_match_unittest.cc",
     "shortcuts_backend_unittest.cc",
     "shortcuts_database_unittest.cc",
@@ -246,6 +250,7 @@ source_set("unit_tests") {
     "//components/bookmarks/test",
     "//components/history/core/test",
     "//components/open_from_clipboard:test_support",
+    "//components/physical_web/data_source",
     "//components/prefs:test_support",
     "//components/search",
     "//components/search_engines",