The updated (simplified) look of set-as-default dialog on Windows8.

chrome/browser/ui/webui/set_as_default_browser_ui.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/set_as_default_browser_ui.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/path_service.h"
 #include "chrome/browser/first_run/first_run.h"
@@ skipping 32 matching lines @@
 
 ChromeWebUIDataSource* CreateSetAsDefaultBrowserUIHTMLSource() {
   ChromeWebUIDataSource* data_source = new ChromeWebUIDataSource(
       chrome::kChromeUIMetroFlowHost);
   data_source->AddLocalizedString("page-title", IDS_METRO_FLOW_TAB_TITLE);
   data_source->AddLocalizedString("flowTitle", IDS_METRO_FLOW_TITLE_SHORT);
   data_source->AddLocalizedString("flowDescription",
                                   IDS_METRO_FLOW_DESCRIPTION);
   data_source->AddLocalizedString("flowNext",
                                   IDS_METRO_FLOW_SET_DEFAULT);
-  data_source->AddLocalizedString("flowCancel",
-                                  IDS_METRO_FLOW_SET_DEFAULT_CANCEL);
   data_source->set_json_path("strings.js");
   data_source->add_resource_path("set_as_default_browser.js",
       IDR_SET_AS_DEFAULT_BROWSER_JS);
   data_source->set_default_resource(IDR_SET_AS_DEFAULT_BROWSER_HTML);
   return data_source;
 }
 
 // Event handler for SetAsDefaultBrowserUI. Capable of setting Chrome as the
 // default browser on button click, closing itself and triggering Chrome
 // restart.
@@ skipping 11 matching lines @@
   // ShellIntegration::DefaultWebClientObserver implementation.
   virtual void SetDefaultWebClientUIState(
       ShellIntegration::DefaultWebClientUIState state) OVERRIDE;
   virtual void OnSetAsDefaultConcluded(bool call_result)  OVERRIDE;
   virtual bool IsInteractiveSetDefaultPermitted() OVERRIDE;
 
  private:
   // Handler for the 'Next' (or 'make Chrome the Metro browser') button.
   void HandleLaunchSetDefaultBrowserFlow(const ListValue* args);
 
-  // Handler for the 'No, thanks' (Cancel) button.
-  void HandleReturnToBrowser(const ListValue* args);
-
   // Close this web ui.
   void ConcludeInteraction();
 
   // If required and possible, spawns a new Chrome in Metro mode and closes the
   // current instance. Windows 8 only, on earlier systems it will simply close
   // this UI.
   void ActivateMetroChrome();
 
   scoped_refptr<ShellIntegration::DefaultBrowserWorker> default_browser_worker_;
   bool set_default_returned_;
@@ skipping 10 matching lines @@
 
 SetAsDefaultBrowserHandler::~SetAsDefaultBrowserHandler() {
   default_browser_worker_->ObserverDestroyed();
 }
 
 void SetAsDefaultBrowserHandler::RegisterMessages() {
   web_ui()->RegisterMessageCallback(
       "SetAsDefaultBrowser:LaunchSetDefaultBrowserFlow",
       base::Bind(&SetAsDefaultBrowserHandler::HandleLaunchSetDefaultBrowserFlow,
                  base::Unretained(this)));
-  web_ui()->RegisterMessageCallback(
-      "SetAsDefaultBrowser:ReturnToBrowser",
-      base::Bind(&SetAsDefaultBrowserHandler::HandleReturnToBrowser,
-                 base::Unretained(this)));
 }
 
 void SetAsDefaultBrowserHandler::SetDefaultWebClientUIState(
     ShellIntegration::DefaultWebClientUIState state) {
   // The callback is expected to be invoked once the procedure has completed.
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   if (!set_default_returned_)
     return;
 
   if (state == ShellIntegration::STATE_NOT_DEFAULT && set_default_result_) {
@@ skipping 18 matching lines @@
   return true;
 }
 
 void SetAsDefaultBrowserHandler::HandleLaunchSetDefaultBrowserFlow(
     const ListValue* args) {
   set_default_returned_ = false;
   set_default_result_ = false;
   default_browser_worker_->StartSetAsDefault();
 }
 
-void SetAsDefaultBrowserHandler::HandleReturnToBrowser(const ListValue* args) {
-  ConcludeInteraction();
-}
-
 void SetAsDefaultBrowserHandler::ConcludeInteraction() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   WebContents* contents = web_ui()->GetWebContents();
   if (contents) {
     content::WebContentsDelegate* delegate = contents->GetDelegate();
     if (delegate) {
       if (!delegate->IsPopupOrPanel(contents)) {
         Browser* browser = browser::FindBrowserWithWebContents(contents);
         if (browser)
           chrome::ShowSyncSetup(browser, SyncPromoUI::SOURCE_START_PAGE);
@@ skipping 147 matching lines @@
         new SetAsDefaultBrowserDialogImpl(profile, browser);
     dialog->ShowDialog();
   } else {
     GURL url(chrome::kChromeUIMetroFlowURL);
     chrome::NavigateParams params(
         chrome::GetSingletonTabNavigateParams(browser, url));
     params.path_behavior = chrome::NavigateParams::IGNORE_AND_NAVIGATE;
     chrome::ShowSingletonTabOverwritingNTP(browser, params);
   }
 }