[System-Keyboard-Lock] Forward navigator functions to RenderFrameHost

third_party/WebKit/Source/core/loader/EmptyClients.cpp

 /*
  * Copyright (C) 2006 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2008, 2009, 2012 Apple Inc. All rights reserved.
  * Copyright (C) Research In Motion Limited 2011. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
@@ skipping 19 matching lines @@
 #include <memory>
 #include "core/frame/ContentSettingsClient.h"
 #include "core/frame/LocalFrame.h"
 #include "core/frame/VisualViewport.h"
 #include "core/html/HTMLFormElement.h"
 #include "core/html/forms/ColorChooser.h"
 #include "core/html/forms/DateTimeChooser.h"
 #include "core/loader/DocumentLoader.h"
 #include "platform/FileChooser.h"
 #include "platform/FrameViewBase.h"
+#include "platform/KeyboardLocker.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebApplicationCacheHost.h"
 #include "public/platform/WebMediaPlayer.h"
 #include "public/platform/modules/serviceworker/WebServiceWorkerProvider.h"
 #include "public/platform/modules/serviceworker/WebServiceWorkerProviderClient.h"
 #include "wtf/PtrUtil.h"
 
 namespace blink {
 
 void FillWithEmptyClients(Page::PageClients& page_clients) {
@@ skipping 75 matching lines @@
 
 String EmptyChromeClient::AcceptLanguages() {
   return String();
 }
 
 std::unique_ptr<WebFrameScheduler> EmptyChromeClient::CreateFrameScheduler(
     BlameContext*) {
   return WTF::MakeUnique<EmptyFrameScheduler>();
 }
 
+void EmptyChromeClient::RequestKeyLock(LocalFrame*,
+                                       PassRefPtr<KeyboardLocker> locker) {
+  DCHECK(locker);
+  locker->FinishLockRequest(
+      false,
+      WebString::FromASCII("EmptyChromeClient does not support key lock."));
+}
+
 NavigationPolicy EmptyLocalFrameClient::DecidePolicyForNavigation(
     const ResourceRequest&,
     DocumentLoader*,
     NavigationType,
     NavigationPolicy,
     bool,
     bool,
     HTMLFormElement*,
     ContentSecurityPolicyDisposition) {
   return kNavigationPolicyIgnore;
@@ skipping 62 matching lines @@
 
 std::unique_ptr<WebApplicationCacheHost>
 EmptyLocalFrameClient::CreateApplicationCacheHost(
     WebApplicationCacheHostClient*) {
   return nullptr;
 }
 
 EmptyRemoteFrameClient::EmptyRemoteFrameClient() = default;
 
 }  // namespace blink