Use incognito split for ChromeVox and TTS in Guest mode

chrome/browser/extensions/component_loader.h

Index: chrome/browser/extensions/component_loader.h
diff --git a/chrome/browser/extensions/component_loader.h b/chrome/browser/extensions/component_loader.h
index 51c8597699b19670ce6abd604131c5372b7f1429..cfac9c87b35448991a8fbdfa7c43cdbe04715f1c 100644
--- a/chrome/browser/extensions/component_loader.h
+++ b/chrome/browser/extensions/component_loader.h
@@ -112,7 +112,7 @@ class ComponentLoader {
     std::string extension_id;
   };
 
-  std::string Add(const base::DictionaryValue* parsed_manifest,
+  std::string Add(base::DictionaryValue* parsed_manifest,
                   const base::FilePath& root_directory);
 
   // Loads a registered component extension.
@@ -139,6 +139,9 @@ class ComponentLoader {
   // Unloads |component| from the memory.
   void UnloadComponent(ComponentExtensionInfo* component);
 
+  // Enable HTML5 FileSystem for given component extension in Guest mode.
+  void EnbaleFileSystemInGuestMode(const std::string& id);
+
   PrefService* profile_prefs_;
   PrefService* local_state_;
   content::BrowserContext* browser_context_;