[Mac] Do not show the 'Make X the default browser' button on Canary.

chrome/browser/ui/webui/options/browser_options_handler.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/ui/webui/options/browser_options_handler.h"
 
 #include <string>
 #include <vector>
 
 #include "apps/app_window.h"
@@ skipping 151 matching lines @@
 }  // namespace
 
 namespace options {
 
 BrowserOptionsHandler::BrowserOptionsHandler()
     : page_initialized_(false),
       template_url_service_(NULL),
       cloud_print_mdns_ui_enabled_(false),
       signin_observer_(this),
       weak_ptr_factory_(this) {
-#if !defined(OS_MACOSX)
   default_browser_worker_ = new ShellIntegration::DefaultBrowserWorker(this);
-#endif
 
 #if defined(ENABLE_SERVICE_DISCOVERY)
   cloud_print_mdns_ui_enabled_ = true;
 #endif  // defined(ENABLE_SERVICE_DISCOVERY)
 }
 
 BrowserOptionsHandler::~BrowserOptionsHandler() {
   ProfileSyncService* sync_service(ProfileSyncServiceFactory::
       GetInstance()->GetForProfile(Profile::FromWebUI(web_ui())));
   if (sync_service)
@@ skipping 843 matching lines @@
 bool BrowserOptionsHandler::ShouldAllowAdvancedSettings() {
 #if defined(OS_CHROMEOS)
   // ChromeOS handles guest-mode restrictions in a different manner.
   return true;
 #else
   return !Profile::FromWebUI(web_ui())->IsGuestSession();
 #endif
 }
 
 void BrowserOptionsHandler::UpdateDefaultBrowserState() {
-#if defined(OS_MACOSX)
-  ShellIntegration::DefaultWebClientState state =
-      ShellIntegration::GetDefaultBrowser();
-  int status_string_id;
-  if (state == ShellIntegration::IS_DEFAULT)
-    status_string_id = IDS_OPTIONS_DEFAULTBROWSER_DEFAULT;
-  else if (state == ShellIntegration::NOT_DEFAULT)
-    status_string_id = IDS_OPTIONS_DEFAULTBROWSER_NOTDEFAULT;
-  else
-    status_string_id = IDS_OPTIONS_DEFAULTBROWSER_UNKNOWN;
-
-  SetDefaultBrowserUIString(status_string_id);
-#else
   default_browser_worker_->StartCheckIsDefault();
-#endif
 }
 
 void BrowserOptionsHandler::BecomeDefaultBrowser(const base::ListValue* args) {
   // If the default browser setting is managed then we should not be able to
   // call this function.
   if (default_browser_policy_.IsManaged())
     return;
 
   content::RecordAction(UserMetricsAction("Options_SetAsDefaultBrowser"));
-#if defined(OS_MACOSX)
-  if (ShellIntegration::SetAsDefaultBrowser())
-    UpdateDefaultBrowserState();
-#else
   default_browser_worker_->StartSetAsDefault();
   // Callback takes care of updating UI.
-#endif
 
   // If the user attempted to make Chrome the default browser, then he/she
   // arguably wants to be notified when that changes.
   PrefService* prefs = Profile::FromWebUI(web_ui())->GetPrefs();
   prefs->SetBoolean(prefs::kCheckDefaultBrowser, true);
 }
 
 int BrowserOptionsHandler::StatusStringIdForState(
     ShellIntegration::DefaultWebClientState state) {
   if (state == ShellIntegration::IS_DEFAULT)
@@ skipping 804 matching lines @@
   extension = extensions::GetExtensionOverridingProxy(
       Profile::FromWebUI(web_ui()));
   AppendExtensionData("proxy", extension, &extension_controlled);
 
   web_ui()->CallJavascriptFunction("BrowserOptions.toggleExtensionIndicators",
                                    extension_controlled);
 #endif  // defined(OS_WIN)
 }
 
 }  // namespace options