Disable an extension when it is upgraded to a version that requires more

chrome/browser/browser.cc

Index: chrome/browser/browser.cc
diff --git a/chrome/browser/browser.cc b/chrome/browser/browser.cc
index 81830901b3980e33c9b10afb9b29360adda7fbd7..547846493b8a01f903bc825c5af928df13240057 100644
--- a/chrome/browser/browser.cc
+++ b/chrome/browser/browser.cc
@@ -23,6 +23,7 @@
 #include "chrome/browser/download/download_manager.h"
 #include "chrome/browser/download/download_shelf.h"
 #include "chrome/browser/download/download_started_animation.h"
+#include "chrome/browser/extensions/extension_disabled_infobar_delegate.h"
 #include "chrome/browser/find_bar.h"
 #include "chrome/browser/find_bar_controller.h"
 #include "chrome/browser/location_bar.h"
@@ -188,6 +189,8 @@ Browser::Browser(Type type, Profile* profile)
 
   registrar_.Add(this, NotificationType::SSL_VISIBLE_STATE_CHANGED,
                  NotificationService::AllSources());
+  registrar_.Add(this, NotificationType::EXTENSION_UPDATE_DISABLED,
+                 NotificationService::AllSources());
   registrar_.Add(this, NotificationType::EXTENSION_UNLOADED,
                  NotificationService::AllSources());
   registrar_.Add(this, NotificationType::BROWSER_THEME_CHANGED,
@@ -2079,6 +2082,14 @@ void Browser::Observe(NotificationType type,
         UpdateToolbar(false);
       break;
 
+    case NotificationType::EXTENSION_UPDATE_DISABLED: {
+      // Show the UI.
+      ExtensionsService* service = Source<ExtensionsService>(source).ptr();
+      Extension* extension = Details<Extension>(details).ptr();
+      ShowExtensionDisabledUI(service, profile_, extension);
+      break;
+    }
+
     case NotificationType::EXTENSION_UNLOADED: {
       // Close any tabs from the unloaded extension.
       Extension* extension = Details<Extension>(details).ptr();