Load user custom wallpaper after browser crash.

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 340 matching lines @@
   NotifyOnLogin();
 }
 
 void UserManagerImpl::StubUserLoggedIn() {
   is_current_user_ephemeral_ = true;
   logged_in_user_ = new User(kStubUser, false);
   logged_in_user_->SetImage(GetDefaultImage(kStubDefaultImageIndex),
                             kStubDefaultImageIndex);
 }
 
+void UserManagerImpl::SetLoggedInUserWallpaper() {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+
+  if (!IsUserLoggedIn() || IsLoggedInAsStub()) {
+    ash::Shell::GetInstance()->desktop_background_controller()->
+        SetDefaultWallpaper(ash::GetInvalidWallpaperIndex());
+    return;
+  }
+  UserSelected(GetLoggedInUser().email());
+}
+
 void UserManagerImpl::UserSelected(const std::string& email) {
   if (IsKnownUser(email)) {
     User::WallpaperType type;
     int index;
     GetUserWallpaperProperties(email, &type, &index);
     if (type == User::RANDOM) {
       // Generate a new random wallpaper index if the selected user chose
       // RANDOM wallpaper.
       index = ash::GetRandomWallpaperIndex();
       SaveUserWallpaperProperties(email, User::RANDOM, index);
@@ skipping 575 matching lines @@
           DictionaryPrefUpdate prefs_wallpapers_update(local_state,
                                                        kUserWallpapers);
           prefs_wallpapers_update->RemoveWithoutPathExpansion(username, NULL);
           SaveUserWallpaperProperties(username, User::DEFAULT, index);
         }
       }
     }
   }
 }
 
-int UserManagerImpl::GetLoggedInUserWallpaperIndex() {
-  User::WallpaperType type;
-  int index;
-  GetLoggedInUserWallpaperProperties(&type, &index);
-  return index;
-}
-
 void UserManagerImpl::GetLoggedInUserWallpaperProperties(
     User::WallpaperType* type,
     int* index) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
   if (!IsUserLoggedIn() || IsLoggedInAsStub()) {
     *type = current_user_wallpaper_type_ = User::DEFAULT;
     *index = current_user_wallpaper_index_ = ash::GetInvalidWallpaperIndex();
     return;
   }
@@ skipping 484 matching lines @@
     BrowserThread::PostTask(
         BrowserThread::FILE,
         FROM_HERE,
         base::Bind(&UserManagerImpl::DeleteUserImage,
                    base::Unretained(this),
                    image_path));
   }
 }
 
 }  // namespace chromeos