Fix AccessibilityExtensionLoader's handling of locked screen

chrome/browser/guest_view/web_view/chrome_web_view_guest_delegate.cc

Index: chrome/browser/guest_view/web_view/chrome_web_view_guest_delegate.cc
diff --git a/chrome/browser/guest_view/web_view/chrome_web_view_guest_delegate.cc b/chrome/browser/guest_view/web_view/chrome_web_view_guest_delegate.cc
index fce4b86dec27e4f981629cc3975d906b8b94a07d..ea33e644ecda8a3c16f80242537795fed10d9626 100644
--- a/chrome/browser/guest_view/web_view/chrome_web_view_guest_delegate.cc
+++ b/chrome/browser/guest_view/web_view/chrome_web_view_guest_delegate.cc
@@ -74,21 +74,6 @@ bool ChromeWebViewGuestDelegate::HandleContextMenu(
   return true;
 }
 
-void ChromeWebViewGuestDelegate::OnDidInitialize() {
-#if defined(OS_CHROMEOS)
-  if (chrome::IsRunningInMash()) {
-    NOTIMPLEMENTED();
-    return;
-  }
-  chromeos::AccessibilityManager* accessibility_manager =
-      chromeos::AccessibilityManager::Get();
-  CHECK(accessibility_manager);
-  accessibility_subscription_ = accessibility_manager->RegisterCallback(
-      base::Bind(&ChromeWebViewGuestDelegate::OnAccessibilityStatusChanged,
-                 weak_ptr_factory_.GetWeakPtr()));
-#endif
-}
-
 // static
 std::unique_ptr<base::ListValue> ChromeWebViewGuestDelegate::MenuModelToValue(
     const ui::SimpleMenuModel& menu_model) {
@@ -128,35 +113,6 @@ bool ChromeWebViewGuestDelegate::ShouldHandleFindRequestsForEmbedder() const {
              chrome::kChromeUIChromeSigninURL;
 }
 
-void ChromeWebViewGuestDelegate::InjectChromeVoxIfNeeded(
-    content::RenderViewHost* render_view_host) {
-#if defined(OS_CHROMEOS)
-  if (!chromevox_injected_) {
-    chromeos::AccessibilityManager* manager =
-        chromeos::AccessibilityManager::Get();
-    if (manager && manager->IsSpokenFeedbackEnabled()) {
-      manager->InjectChromeVox(render_view_host);
-      chromevox_injected_ = true;
-    }
-  }
-#endif
-}
-
-#if defined(OS_CHROMEOS)
-void ChromeWebViewGuestDelegate::OnAccessibilityStatusChanged(
-    const chromeos::AccessibilityStatusEventDetails& details) {
-  if (details.notification_type == chromeos::ACCESSIBILITY_MANAGER_SHUTDOWN) {
-    accessibility_subscription_.reset();
-  } else if (details.notification_type ==
-      chromeos::ACCESSIBILITY_TOGGLE_SPOKEN_FEEDBACK) {
-    if (details.enabled)
-      InjectChromeVoxIfNeeded(guest_web_contents()->GetRenderViewHost());
-    else
-      chromevox_injected_ = false;
-  }
-}
-#endif
-
 void ChromeWebViewGuestDelegate::SetContextMenuPosition(
     const gfx::Point& position) {
   if (context_menu_position_ == nullptr)