Move chooser_controller directory from //components to //chrome/browser

chrome/browser/BUILD.gn

Index: chrome/browser/BUILD.gn
diff --git a/chrome/browser/BUILD.gn b/chrome/browser/BUILD.gn
index 843ca0719d269a057a4e12836d18dff36ed7a8e4..76d4fabfbb76330378e9d090c7d3df4c62284364 100644
--- a/chrome/browser/BUILD.gn
+++ b/chrome/browser/BUILD.gn
@@ -1090,6 +1090,8 @@ static_library("test_support") {
     "browsing_data/mock_browsing_data_quota_helper.h",
     "browsing_data/mock_browsing_data_service_worker_helper.cc",
     "browsing_data/mock_browsing_data_service_worker_helper.h",
+    "chooser_controller/mock_chooser_controller.cc",
+    "chooser_controller/mock_chooser_controller.h",
     "download/download_test_file_activity_observer.cc",
     "download/download_test_file_activity_observer.h",
     "download/test_download_shelf.cc",
@@ -1177,6 +1179,13 @@ static_library("test_support") {
     ]
   }
 
+  if (is_android || is_ios) {
+    sources -= [
+      "chooser_controller/mock_chooser_controller.cc",
+      "chooser_controller/mock_chooser_controller.h",
+    ]
+  }
+
   if (enable_extensions) {
     sources += [
       "extensions/extension_action_test_util.cc",