MD Settings: Convert C++ handlers to be JavaScript-lifecycle aware.

chrome/browser/ui/webui/settings/profile_info_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/profile_info_handler.h"
 
 #include "base/bind.h"
 #include "base/memory/ptr_util.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 80 matching lines @@
   AllowJavascript();
 
   CHECK_EQ(1U, args->GetSize());
   const base::Value* callback_id;
   CHECK(args->Get(0, &callback_id));
 
   ResolveJavascriptCallback(*callback_id, *GetAccountNameAndIcon());
 }
 
 void ProfileInfoHandler::PushProfileInfo() {
-  web_ui()->CallJavascriptFunction(
-      "cr.webUIListenerCallback",
-      base::StringValue(kProfileInfoChangedEventName),
-      *GetAccountNameAndIcon());
+  CallJavascriptFunction("cr.webUIListenerCallback",
+                         base::StringValue(kProfileInfoChangedEventName),
+                         *GetAccountNameAndIcon());
 }
 
 std::unique_ptr<base::DictionaryValue>
 ProfileInfoHandler::GetAccountNameAndIcon() const {
   std::string name;
   std::string icon_url;
 
 #if defined(OS_CHROMEOS)
   name = profile_->GetProfileUserName();
   if (name.empty()) {
@@ skipping 28 matching lines @@
   }
 #endif  // defined(OS_CHROMEOS)
 
   base::DictionaryValue* response = new base::DictionaryValue();
   response->SetString("name", name);
   response->SetString("iconUrl", icon_url);
   return base::WrapUnique(response);
 }
 
 }  // namespace settings