Fix AccessibilityExtensionLoader's handling of locked screen

chrome/browser/chromeos/accessibility/accessibility_extension_loader.h

Index: chrome/browser/chromeos/accessibility/accessibility_extension_loader.h
diff --git a/chrome/browser/chromeos/accessibility/accessibility_extension_loader.h b/chrome/browser/chromeos/accessibility/accessibility_extension_loader.h
index 34d30edbbf7331486cc4055b7ef1be32fedd0e7e..42426fb414a06a52c72b2413dca7ed7fc374838a 100644
--- a/chrome/browser/chromeos/accessibility/accessibility_extension_loader.h
+++ b/chrome/browser/chromeos/accessibility/accessibility_extension_loader.h
@@ -9,11 +9,6 @@
 #include "base/files/file_path.h"
 #include "base/memory/weak_ptr.h"
 
-namespace content {
-class RenderViewHost;
-}
-
-class ExtensionService;
 class Profile;
 
 namespace chromeos {
@@ -30,20 +25,10 @@ class AccessibilityExtensionLoader {
             const std::string& init_script_str,
             const base::Closure& done_cb);
   void Unload();
-  void LoadToUserScreen(const base::Closure& done_cb);
-  void LoadToLockScreen(const base::Closure& done_cb);
   void LoadExtension(Profile* profile,
-                     content::RenderViewHost* render_view_host,
                      base::Closure done_cb);
 
-  bool loaded_on_lock_screen() { return loaded_on_lock_screen_; }
-
  private:
-  void InjectContentScriptAndCallback(ExtensionService* extension_service,
-                                      int render_process_id,
-                                      int render_view_id,
-                                      const base::Closure& done_cb);
-  void UnloadFromLockScreen();
   void UnloadExtensionFromProfile(Profile* profile);
 
   Profile* profile_;
@@ -51,10 +36,7 @@ class AccessibilityExtensionLoader {
   base::FilePath extension_path_;
   std::string init_script_str_;
 
-  // Profile which the extension is currently loaded to.
-  // If nullptr, it is not loaded to any profile.
-  bool loaded_on_lock_screen_;
-  bool loaded_on_user_screen_;
+  bool loaded_;
 
   base::Closure unload_callback_;