kiosk: Ensure launching latest version.

chrome/browser/extensions/external_provider_impl.h

Index: chrome/browser/extensions/external_provider_impl.h
diff --git a/chrome/browser/extensions/external_provider_impl.h b/chrome/browser/extensions/external_provider_impl.h
index 0ba5e51647d8edc3892b11667d33562ea7a86dee..6217fb7af12727ddd42c02afcf6d462e6f345d7d 100644
--- a/chrome/browser/extensions/external_provider_impl.h
+++ b/chrome/browser/extensions/external_provider_impl.h
@@ -78,6 +78,10 @@ class ExternalProviderImpl : public ExternalProviderInterface {
     auto_acknowledge_ = auto_acknowledge;
   }
 
+  void set_install_immediately(bool install_immediately) {
+    install_immediately_ = install_immediately;
+  }
+
  private:
   // Location for external extensions that are provided by this provider from
   // local crx files.
@@ -113,6 +117,9 @@ class ExternalProviderImpl : public ExternalProviderInterface {
   // the user doesn't see an alert about them.
   bool auto_acknowledge_;
 
+  // Whether the extensions from this provider should be installed immediately.
+  bool install_immediately_;
+
   DISALLOW_COPY_AND_ASSIGN(ExternalProviderImpl);
 };