Modify extension omnibox keywords to be user-configurable

chrome/browser/search_engines/search_host_to_urls_map.cc

Index: chrome/browser/search_engines/search_host_to_urls_map.cc
diff --git a/chrome/browser/search_engines/search_host_to_urls_map.cc b/chrome/browser/search_engines/search_host_to_urls_map.cc
index 58fb28266ac3e57742a7db99026cdb4a347a0b34..092eac7f40adeb61f1269a43bd2934bf39d4f389 100644
--- a/chrome/browser/search_engines/search_host_to_urls_map.cc
+++ b/chrome/browser/search_engines/search_host_to_urls_map.cc
@@ -27,7 +27,6 @@ void SearchHostToURLsMap::Add(TemplateURL* template_url,
                               const SearchTermsData& search_terms_data) {
   DCHECK(initialized_);
   DCHECK(template_url);
-  DCHECK(!template_url->IsExtensionKeyword());
 
   const GURL url(TemplateURLService::GenerateSearchURLUsingTermsData(
       template_url, search_terms_data));
@@ -41,7 +40,6 @@ void SearchHostToURLsMap::Remove(TemplateURL* template_url,
                                  const SearchTermsData& search_terms_data) {
   DCHECK(initialized_);
   DCHECK(template_url);
-  DCHECK(!template_url->IsExtensionKeyword());
 
   const GURL url(TemplateURLService::GenerateSearchURLUsingTermsData(
       template_url, search_terms_data));