Change MojoWebUIController to use mojo::StrongBindingSet.

chrome/browser/ui/webui/omnibox/omnibox_ui_handler.cc

Index: chrome/browser/ui/webui/omnibox/omnibox_ui_handler.cc
diff --git a/chrome/browser/ui/webui/omnibox/omnibox_ui_handler.cc b/chrome/browser/ui/webui/omnibox/omnibox_ui_handler.cc
index ec18ff9549cc449e6125b7bcd37b257cf8a74c1f..dfcffec09723af46af76aaff4a6e279a5f08f835 100644
--- a/chrome/browser/ui/webui/omnibox/omnibox_ui_handler.cc
+++ b/chrome/browser/ui/webui/omnibox/omnibox_ui_handler.cc
@@ -17,6 +17,7 @@
 #include "chrome/browser/autocomplete/chrome_autocomplete_scheme_classifier.h"
 #include "chrome/browser/bookmarks/bookmark_model_factory.h"
 #include "chrome/browser/history/history_service_factory.h"
+#include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/search/search.h"
 #include "chrome/browser/search_engines/template_url_service_factory.h"
 #include "components/bookmarks/browser/bookmark_model.h"
@@ -108,11 +109,8 @@ struct TypeConverter<AutocompleteResultsForProviderMojoPtr,
 
 }  // namespace mojo
 
-OmniboxUIHandler::OmniboxUIHandler(
-    Profile* profile,
-    mojo::InterfaceRequest<OmniboxUIHandlerMojo> request)
-    : profile_(profile),
-      binding_(this, request.Pass()) {
+OmniboxUIHandler::OmniboxUIHandler(content::WebUI* web_ui)
+    : profile_(Profile::FromWebUI(web_ui)) {
   ResetController();
 }