[WebUI] Add a chrome://prefs-internals page

chrome/browser/profiles/profile_impl.cc

 // Copyright (c) 2012 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/profiles/profile_impl.h"
 
 #include <stddef.h>
 
 #include <memory>
 #include <utility>
@@ skipping 57 matching lines @@
 #include "chrome/browser/profiles/profile_metrics.h"
 #include "chrome/browser/push_messaging/push_messaging_service_factory.h"
 #include "chrome/browser/push_messaging/push_messaging_service_impl.h"
 #include "chrome/browser/safe_browsing/safe_browsing_service.h"
 #include "chrome/browser/sessions/session_service_factory.h"
 #include "chrome/browser/signin/signin_manager_factory.h"
 #include "chrome/browser/signin/signin_ui_util.h"
 #include "chrome/browser/ssl/chrome_ssl_host_state_delegate.h"
 #include "chrome/browser/ssl/chrome_ssl_host_state_delegate_factory.h"
 #include "chrome/browser/ui/startup/startup_browser_creator.h"
+#include "chrome/browser/ui/webui/prefs_internals_source.h"
 #include "chrome/common/chrome_constants.h"
 #include "chrome/common/chrome_features.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/chrome_paths_internal.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/features.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/grit/chromium_strings.h"
 #include "components/bookmarks/browser/bookmark_model.h"
@@ skipping 597 matching lines @@
   // On CrOS sync service will be initialized after sign in.
   BookmarkModel* model = BookmarkModelFactory::GetForBrowserContext(this);
   model->AddObserver(new BookmarkModelLoadedObserver(this));
 #endif
 
   PushMessagingServiceImpl::InitializeForProfile(this);
 
 #if !defined(OS_ANDROID) && !defined(OS_CHROMEOS)
   signin_ui_util::InitializePrefsForProfile(this);
 #endif
+
+  content::URLDataSource::Add(this, new PrefsInternalsSource(this));
 }
 
 base::FilePath ProfileImpl::last_selected_directory() {
   return GetPrefs()->GetFilePath(prefs::kSelectFileLastDirectory);
 }
 
 void ProfileImpl::set_last_selected_directory(const base::FilePath& path) {
   GetPrefs()->SetFilePath(prefs::kSelectFileLastDirectory, path);
 }
 
@@ skipping 618 matching lines @@
 ProfileImpl::CreateDomainReliabilityMonitor(PrefService* local_state) {
   domain_reliability::DomainReliabilityService* service =
       domain_reliability::DomainReliabilityServiceFactory::GetInstance()->
           GetForBrowserContext(this);
   if (!service)
     return std::unique_ptr<domain_reliability::DomainReliabilityMonitor>();
 
   return service->CreateMonitor(
       BrowserThread::GetTaskRunnerForThread(BrowserThread::IO));
 }