Correct const accessors in base/values.(h|cc)

chrome/browser/chromeos/login/user_manager_impl.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/chromeos/login/user_manager_impl.h"
 
 #include <vector>
 
 #include "ash/shell.h"
 #include "ash/desktop_background/desktop_background_controller.h"
@@ skipping 819 matching lines @@
       std::string email;
       if ((*it)->GetAsString(&email)) {
         User* user = CreateUser(email, /* is_ephemeral= */ false);
         users_.push_back(user);
 
         if (prefs_images) {
           // Get account image path.
           // TODO(avayvod): Reading image path as a string is here for
           // backward compatibility.
           std::string image_path;
-          base::DictionaryValue* image_properties;
+          const base::DictionaryValue* image_properties;
           if (prefs_images->GetStringWithoutPathExpansion(email, &image_path)) {
             int image_id = User::kInvalidImageIndex;
             if (IsDefaultImagePath(image_path, &image_id)) {
               user->SetImage(UserImage(GetDefaultImage(image_id)), image_id);
             } else {
               int image_index = User::kExternalImageIndex;
               // Until image has been loaded, use the stub image.
               user->SetStubImage(image_index);
               DCHECK(!image_path.empty());
               // Load user image asynchronously.
@@ skipping 295 matching lines @@
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
   // Default to the values cached in memory.
   *type = current_user_wallpaper_type_;
   *index = current_user_wallpaper_index_;
 
   // Override with values found in local store, if any.
   if (!username.empty()) {
     const DictionaryValue* user_wallpapers = g_browser_process->local_state()->
         GetDictionary(UserManager::kUserWallpapersProperties);
-    base::DictionaryValue* wallpaper_properties;
+    const base::DictionaryValue* wallpaper_properties;
     if (user_wallpapers->GetDictionaryWithoutPathExpansion(
         username,
         &wallpaper_properties)) {
       *type = User::UNKNOWN;
       *index = ash::GetInvalidWallpaperIndex();
       wallpaper_properties->GetInteger(kWallpaperTypeNodeName,
                                        reinterpret_cast<int*>(type));
       wallpaper_properties->GetInteger(kWallpaperIndexNodeName, index);
       std::string date_string;
       int64 val;
@@ skipping 522 matching lines @@
     BrowserThread::PostTask(
         BrowserThread::FILE,
         FROM_HERE,
         base::Bind(&UserManagerImpl::DeleteUserImage,
                    base::Unretained(this),
                    image_path));
   }
 }
 
 }  // namespace chromeos