NTP update for ChromeOS.

chrome/browser/dom_ui/shown_sections_handler.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/dom_ui/shown_sections_handler.h"
 
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/string_number_conversions.h"
 #include "base/values.h"
@@ skipping 75 matching lines @@
   int old_mode = pref_service_->GetInteger(prefs::kNTPShownSections);
 
   if (old_mode != mode) {
     NotifySectionDisabled(mode, old_mode, dom_ui_->GetProfile());
     pref_service_->SetInteger(prefs::kNTPShownSections, mode);
   }
 }
 
 // static
 void ShownSectionsHandler::RegisterUserPrefs(PrefService* pref_service) {
+#if defined(OS_CHROMEOS)
+  // Default to have expanded APPS and all other secions are minimized.
+  pref_service->RegisterIntegerPref(prefs::kNTPShownSections,
+                                    APPS | MINIMIZED_THUMB | MINIMIZED_RECENT);

[Dmitry Polukhin, 2010/11/30 20:06:55]

I think if no app are installed, it will show all sections closed. Apps section
should be opened if you have at least one app installed due to my change CL
http://codereview.chromium.org/4885001

+#else
   pref_service->RegisterIntegerPref(prefs::kNTPShownSections, THUMB);
+#endif
 }
 
 // static
 void ShownSectionsHandler::MigrateUserPrefs(PrefService* pref_service,
                                             int old_pref_version,
                                             int new_pref_version) {
   bool changed = false;
   int shown_sections = pref_service->GetInteger(prefs::kNTPShownSections);
 
   if (old_pref_version < 3) {
@@ skipping 23 matching lines @@
 
     // Hide any open sections.
     mode &= ~ALL_SECTIONS_MASK;
 
     // Show the apps section.
     mode |= APPS;
 
     prefs->SetInteger(prefs::kNTPShownSections, mode);
   }
 }