Allow chrome.send to pass number, boolean, null and arrays of those

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 <string>
 
 #include "base/callback.h"
 #include "base/command_line.h"
@@ skipping 73 matching lines @@
   }
 }
 
 void ShownSectionsHandler::HandleGetShownSections(const ListValue* args) {
   int sections = GetShownSections(pref_service_);
   FundamentalValue sections_value(sections);
   dom_ui_->CallJavascriptFunction(L"onShownSections", sections_value);
 }
 
 void ShownSectionsHandler::HandleSetShownSections(const ListValue* args) {
-  int mode;
-  CHECK(ExtractIntegerValue(args, &mode));
+  double mode;
+  CHECK(args->GetReal(0, &mode));
   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) {
@@ skipping 46 matching lines @@
 
     // Hide any open sections.
     mode &= ~ALL_SECTIONS_MASK;
 
     // Show the apps section.
     mode |= APPS;
 
     prefs->SetInteger(prefs::kNTPShownSections, mode);
   }
 }