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 816d1eadc08b23fd54f4f8e257f693700636a4c6..da3f98a168ede42be5c8651e9199782000dcf607 100644
--- a/chrome/browser/extensions/component_loader.h
+++ b/chrome/browser/extensions/component_loader.h
@@ -96,6 +96,11 @@ class ComponentLoader {
   // Reloads a registered component extension.
   void Reload(const std::string& extension_id);
 
+#if defined(OS_CHROMEOS)
+  std::string AddChromeVoxExtension();
+  std::string AddChromeOsSpeechSynthesisExtension();
+#endif
+
  private:
   // Information about a registered component extension.
   struct ComponentExtensionInfo {
@@ -137,6 +142,9 @@ class ComponentLoader {
   // Unloads |component| from the memory.
   void UnloadComponent(ComponentExtensionInfo* component);
 
+  // Enable HTML5 FileSystem for given component extension in Guest mode.
+  void EnableFileSystemInGuestMode(const std::string& id);
+
   PrefService* profile_prefs_;
   PrefService* local_state_;
   content::BrowserContext* browser_context_;