Fix AccessibilityExtensionLoader's handling of locked screen

chrome/browser/guest_view/web_view/chrome_web_view_guest_delegate.h

Index: chrome/browser/guest_view/web_view/chrome_web_view_guest_delegate.h
diff --git a/chrome/browser/guest_view/web_view/chrome_web_view_guest_delegate.h b/chrome/browser/guest_view/web_view/chrome_web_view_guest_delegate.h
index 682f4a233738427bd9b9d1bf3d5e01fadeea5d4b..f64e07c215725182569f214a9f4ceb306646e6f2 100644
--- a/chrome/browser/guest_view/web_view/chrome_web_view_guest_delegate.h
+++ b/chrome/browser/guest_view/web_view/chrome_web_view_guest_delegate.h
@@ -11,10 +11,6 @@
 #include "extensions/browser/guest_view/web_view/web_view_guest.h"
 #include "extensions/browser/guest_view/web_view/web_view_guest_delegate.h"
 
-#if defined(OS_CHROMEOS)
-#include "chrome/browser/chromeos/accessibility/accessibility_manager.h"
-#endif
-
 class RenderViewContextMenuBase;
 
 namespace ui {
@@ -30,7 +26,6 @@ class ChromeWebViewGuestDelegate : public WebViewGuestDelegate {
 
   // WebViewGuestDelegate implementation.
   bool HandleContextMenu(const content::ContextMenuParams& params) override;
-  void OnDidInitialize() override;
   void OnShowContextMenu(int request_id) override;
   bool ShouldHandleFindRequestsForEmbedder() const override;
 
@@ -47,14 +42,6 @@ class ChromeWebViewGuestDelegate : public WebViewGuestDelegate {
   static std::unique_ptr<base::ListValue> MenuModelToValue(
       const ui::SimpleMenuModel& menu_model);
 
-  void InjectChromeVoxIfNeeded(content::RenderViewHost* render_view_host);
-
-#if defined(OS_CHROMEOS)
-  // Notification of a change in the state of an accessibility setting.
-  void OnAccessibilityStatusChanged(
-      const chromeos::AccessibilityStatusEventDetails& details);
-#endif
-
   // A counter to generate a unique request id for a context menu request.
   // We only need the ids to be unique for a given WebViewGuest.
   int pending_context_menu_request_id_;
@@ -63,15 +50,6 @@ class ChromeWebViewGuestDelegate : public WebViewGuestDelegate {
   // shown. This is .reset() after ShowContextMenu().
   std::unique_ptr<RenderViewContextMenuBase> pending_menu_;
 
-#if defined(OS_CHROMEOS)
-  // Set to |true| if ChromeVox was already injected in main frame.
-  bool chromevox_injected_ = false;
-
-  // Subscription to receive notifications on changes to a11y settings.
-  std::unique_ptr<chromeos::AccessibilityStatusSubscription>
-      accessibility_subscription_;
-#endif
-
   WebViewGuest* const web_view_guest_;
 
   std::unique_ptr<gfx::Point> context_menu_position_;