MD Settings: Use FireWebUIListener() helper wherever possible.

chrome/browser/ui/webui/settings/protocol_handlers_handler.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/webui/settings/protocol_handlers_handler.h"
 
 #include <memory>
 #include <utility>
 #include <vector>
 
@@ skipping 111 matching lines @@
   for (std::vector<std::string>::iterator protocol = protocols.begin();
        protocol != protocols.end(); protocol++) {
     std::unique_ptr<base::DictionaryValue> handler_value(
         new base::DictionaryValue());
     GetHandlersForProtocol(*protocol, handler_value.get());
     handlers.Append(std::move(handler_value));
   }
 
   std::unique_ptr<base::ListValue> ignored_handlers(new base::ListValue());
   GetIgnoredHandlers(ignored_handlers.get());
-  CallJavascriptFunction("cr.webUIListenerCallback",
-                         base::Value("setProtocolHandlers"), handlers);
-  CallJavascriptFunction("cr.webUIListenerCallback",
-                         base::Value("setIgnoredProtocolHandlers"),
-                         *ignored_handlers);
+  FireWebUIListener("setProtocolHandlers", handlers);
+  FireWebUIListener("setIgnoredProtocolHandlers", *ignored_handlers);
 }
 
 void ProtocolHandlersHandler::HandleObserveProtocolHandlers(
     const base::ListValue* args) {
   AllowJavascript();
   SendHandlersEnabledValue();
   UpdateHandlerList();
 }
 
 void ProtocolHandlersHandler::HandleObserveProtocolHandlersEnabledState(
     const base::ListValue* args) {
   AllowJavascript();
   SendHandlersEnabledValue();
 }
 
 void ProtocolHandlersHandler::SendHandlersEnabledValue() {
-  CallJavascriptFunction("cr.webUIListenerCallback",
-                         base::Value("setHandlersEnabled"),
-                         base::Value(GetProtocolHandlerRegistry()->enabled()));
+  FireWebUIListener("setHandlersEnabled",
+                    base::Value(GetProtocolHandlerRegistry()->enabled()));
 }
 
 void ProtocolHandlersHandler::HandleRemoveHandler(const base::ListValue* args) {
   const base::ListValue* list;
   if (!args->GetList(0, &list)) {
     NOTREACHED();
     return;
   }
 
   ProtocolHandler handler(ParseHandlerFromArgs(list));
@@ skipping 56 matching lines @@
 void ProtocolHandlersHandler::Observe(
     int type,
     const content::NotificationSource& source,
     const content::NotificationDetails& details) {
   DCHECK_EQ(chrome::NOTIFICATION_PROTOCOL_HANDLER_REGISTRY_CHANGED, type);
   SendHandlersEnabledValue();
   UpdateHandlerList();
 }
 
 }  // namespace settings