Implement user selected wallpaper feature.

chrome/browser/chromeos/login/user.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.h"
 
 #include "base/stringprintf.h"
 #include "chrome/browser/chromeos/login/default_user_images.h"
 #include "chrome/browser/chromeos/login/user_manager.h"
 #include "grit/theme_resources.h"
@@ skipping 43 matching lines @@
   image_is_stub_ = false;
 }
 
 void User::SetStubImage(int image_index) {
   image_ = *ResourceBundle::GetSharedInstance().
       GetBitmapNamed(kStubImageResourceID);
   image_index_ = image_index;
   image_is_stub_ = true;
 }
 
+void User::SetWallpaperThumbnail(const SkBitmap& wallpaper_thumb) {

[flackr, 2012/05/09 21:26:16]

You should probably change wallpaper_thumb to wallpaper_thumbnail too.

[bshe, 2012/05/10 16:10:26]

Done.

+  wallpaper_thumb_ = wallpaper_thumb;
+}
+
 std::string User::GetAccountName() const {
   return GetUserName(email_);
 }
 
 std::string User::GetDisplayName() const {
   return GetUserName(display_email_);
 }
 
 bool User::NeedsNameTooltip() const {
   return !UserManager::Get()->IsDisplayNameUnique(GetDisplayName());
 }
 
 std::string User::GetNameTooltip() const {
   const std::string& user_email = display_email_;
   size_t at_pos = user_email.rfind('@');
   if (at_pos == std::string::npos) {
     NOTREACHED();
     return std::string();
   }
   size_t domain_start = at_pos + 1;
   std::string domain = user_email.substr(domain_start,
                                          user_email.length() - domain_start);
   return base::StringPrintf("%s (%s)",
                             GetDisplayName().c_str(),
                             domain.c_str());
 }
 
 }  // namespace chromeos