Revert 13676 - Revert 131665 - Add a preference for why an extension is disabled.

chrome/browser/extensions/extension_service.h

Index: chrome/browser/extensions/extension_service.h
diff --git a/chrome/browser/extensions/extension_service.h b/chrome/browser/extensions/extension_service.h
index 90a91cee7c798a942b98e9f30a86ed15f6bd12ee..14e741253609c27649cd8e63bd56146417721374 100644
--- a/chrome/browser/extensions/extension_service.h
+++ b/chrome/browser/extensions/extension_service.h
@@ -342,7 +342,8 @@ class ExtensionService
 
   // Disables the extension.  If the extension is already disabled, or
   // cannot be disabled, does nothing.
-  virtual void DisableExtension(const std::string& extension_id);
+  virtual void DisableExtension(const std::string& extension_id,
+                                Extension::DisableReason disable_reason);
 
   // Updates the |extension|'s granted permissions lists to include all
   // permissions in the |extension|'s manifest and re-enables the