Implement HttpUserAgentSettings delegate for Android WebView

android_webview/lib/main/aw_main_delegate.cc

Index: android_webview/lib/main/aw_main_delegate.cc
diff --git a/android_webview/lib/main/aw_main_delegate.cc b/android_webview/lib/main/aw_main_delegate.cc
index 90d238904be3bfec3b7d11a8ddd3f598166ee691..a45ea9904e7fb8c5266e949760d3e6283489245e 100644
--- a/android_webview/lib/main/aw_main_delegate.cc
+++ b/android_webview/lib/main/aw_main_delegate.cc
@@ -9,6 +9,7 @@
 #include "android_webview/browser/scoped_allow_wait_for_legacy_web_view_api.h"
 #include "android_webview/crash_reporter/aw_microdump_crash_reporter.h"
 #include "android_webview/lib/aw_browser_dependency_factory_impl.h"
+#include "android_webview/native/aw_locale_manager_impl.h"
 #include "android_webview/native/aw_media_url_interceptor.h"
 #include "android_webview/native/aw_message_port_service_impl.h"
 #include "android_webview/native/aw_quota_manager_bridge_impl.h"
@@ -197,6 +198,10 @@ AwMessagePortService* AwMainDelegate::CreateAwMessagePortService() {
   return new AwMessagePortServiceImpl();
 }
 
+AwLocaleManager* AwMainDelegate::CreateAwLocaleManager() {
+  return new AwLocaleManagerImpl();
+}
+
 #if defined(VIDEO_HOLE)
 content::ExternalVideoSurfaceContainer*
 AwMainDelegate::CreateExternalVideoSurfaceContainer(