Remove extension-to-component migration mechanism

chrome/browser/ui/toolbar/mock_component_toolbar_actions_factory.h

Index: chrome/browser/ui/toolbar/mock_component_toolbar_actions_factory.h
diff --git a/chrome/browser/ui/toolbar/mock_component_toolbar_actions_factory.h b/chrome/browser/ui/toolbar/mock_component_toolbar_actions_factory.h
index bc603373765673263388efc3def5dd936f4ce845..a52f2d68dc23788664cf53ba5ff3ecee526bea85 100644
--- a/chrome/browser/ui/toolbar/mock_component_toolbar_actions_factory.h
+++ b/chrome/browser/ui/toolbar/mock_component_toolbar_actions_factory.h
@@ -27,12 +27,6 @@ class MockComponentToolbarActionsFactory
       Browser* browser,
       ToolbarActionsBar* bar) override;
 
-  void RegisterComponentMigrations(
-      extensions::ComponentMigrationHelper* helper) const override;
-
-  void HandleComponentMigrations(extensions::ComponentMigrationHelper* helper,
-                                 Profile* profile) const override;
-
   void set_migrated_extension_id(const extensions::ExtensionId& extension_id) {

[msw, 2017/02/08 02:14:02]

nit: remove this and |migrated_extension_id_| if they're unused

[takumif, 2017/02/08 03:35:41]

Done.

     migrated_extension_id_ = extension_id;
   }