Handful of related instant changes:

chrome/browser/ui/views/instant_confirm_view.cc

 // Copyright (c) 2010 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/views/instant_confirm_view.h"
 
 #include "app/l10n_util.h"
 #include "chrome/browser/browser.h"
 #include "chrome/browser/browser_list.h"
 #include "chrome/browser/instant/instant_confirm_dialog.h"
+#include "chrome/browser/instant/instant_controller.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/profile.h"
 #include "chrome/common/pref_names.h"
 #include "grit/generated_resources.h"
 #include "grit/locale_settings.h"
 #include "views/controls/label.h"
 #include "views/grid_layout.h"
 #include "views/layout_manager.h"
 #include "views/standard_layout.h"
 #include "views/window/window.h"
@@ skipping 20 matching lines @@
   layout->AddView(description_label);
   layout->StartRow(0, first_column_set);
   layout->AddView(learn_more_link);
 }
 
 bool InstantConfirmView::Accept(bool window_closing) {
   return Accept();
 }
 
 bool InstantConfirmView::Accept() {
-  PrefService* prefs = profile_->GetPrefs();
-  if (prefs) {
-    prefs->SetBoolean(prefs::kInstantEnabled, true);
-    prefs->SetBoolean(prefs::kInstantConfirmDialogShown, true);
-  }
+  InstantController::Enable(profile_);
   return true;
 }
 
 bool InstantConfirmView::Cancel() {
   return true;
 }
 
 views::View* InstantConfirmView::GetContentsView() {
   return this;
 }
@@ skipping 22 matching lines @@
 }
 
 namespace browser {
 
 void ShowInstantConfirmDialog(gfx::NativeWindow parent, Profile* profile) {
   views::Window::CreateChromeWindow(parent, gfx::Rect(),
                                     new InstantConfirmView(profile))->Show();
 }
 
 }  // namespace browser