Introduce AcccessibilityManager

chrome/browser/extensions/component_loader.cc

Index: chrome/browser/extensions/component_loader.cc
diff --git a/chrome/browser/extensions/component_loader.cc b/chrome/browser/extensions/component_loader.cc
index 7194f45bc34b3961e6da704ed2b17d75a21db4ee..e6cb35ca234f3645ed8b08e5af59a91ac4eb24c1 100644
--- a/chrome/browser/extensions/component_loader.cc
+++ b/chrome/browser/extensions/component_loader.cc
@@ -33,6 +33,7 @@
 #endif
 
 #if defined(OS_CHROMEOS)
+#include "chrome/browser/chromeos/accessibility/accessibility_manager.h"
 #include "chrome/browser/chromeos/login/user_manager.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_system.h"
@@ -414,7 +415,8 @@ void ComponentLoader::AddDefaultComponentExtensionsWithBackgroundPages(
   }
 
   // Load ChromeVox extension now if spoken feedback is enabled.
-  if (local_state_->GetBoolean(prefs::kSpokenFeedbackEnabled)) {
+  if (chromeos::AccessibilityManager::Get() &&
+      chromeos::AccessibilityManager::Get()->IsSpokenFeedbackEnabled()) {
     base::FilePath path =
         base::FilePath(extension_misc::kChromeVoxExtensionPath);
     Add(IDR_CHROMEVOX_MANIFEST, path);