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

chrome/browser/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/chrome_build.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//build/split_static_library.gni")
 import("//chrome/common/features.gni")
@@ skipping 1072 matching lines @@
     "browsing_data/mock_browsing_data_flash_lso_helper.cc",
     "browsing_data/mock_browsing_data_flash_lso_helper.h",
     "browsing_data/mock_browsing_data_indexed_db_helper.cc",
     "browsing_data/mock_browsing_data_indexed_db_helper.h",
     "browsing_data/mock_browsing_data_local_storage_helper.cc",
     "browsing_data/mock_browsing_data_local_storage_helper.h",
     "browsing_data/mock_browsing_data_quota_helper.cc",
     "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",
     "download/test_download_shelf.h",
     "media/fake_desktop_media_list.cc",
     "media/fake_desktop_media_list.h",
     "net/dns_probe_test_util.cc",
     "net/dns_probe_test_util.h",
     "net/url_request_mock_util.cc",
     "net/url_request_mock_util.h",
@@ skipping 67 matching lines @@
       "download/test_download_shelf.h",
       "profile_resetter/profile_resetter_test_base.cc",
       "profile_resetter/profile_resetter_test_base.h",
       "sessions/session_restore_test_helper.cc",
       "sessions/session_restore_test_helper.h",
       "sessions/session_service_test_helper.cc",
       "sessions/session_service_test_helper.h",
     ]
   }
 
+  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",
       "extensions/extension_action_test_util.h",
     ]
     deps += [ "//extensions:test_support" ]
   }
 
   if (is_chromeos) {
     sources += [
@@ skipping 171 matching lines @@
   # linking all of the test support.
   source_set("pepper_cdm_test_constants") {
     testonly = true
     visibility = [ "//chrome/*" ]
     sources = [
       "media/pepper_cdm_test_constants.cc",
       "media/pepper_cdm_test_constants.h",
     ]
   }
 }