Implement the new Sync Confirmation dialog on Linux and Windows.

chrome/browser/chromeos/login/users/avatar/user_image_manager_impl.cc

 // Copyright 2014 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/users/avatar/user_image_manager_impl.h"
 
 #include <stddef.h>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 729 matching lines @@
 
 // static
 void UserImageManagerImpl::IgnoreProfileDataDownloadDelayForTesting() {
   g_ignore_profile_data_download_delay_ = true;
 }
 
 bool UserImageManagerImpl::NeedsProfilePicture() const {
   return downloading_profile_image_;
 }
 
-int UserImageManagerImpl::GetDesiredImageSideLength() const {
+unsigned int UserImageManagerImpl::GetDesiredImageSideLength() const {
   return GetCurrentUserImageSize();
 }
 
 Profile* UserImageManagerImpl::GetBrowserProfile() {
   return ProfileHelper::Get()->GetProfileByUserUnsafe(GetUser());
 }
 
 std::string UserImageManagerImpl::GetCachedPictureURL() const {
   return profile_image_url_.spec();
 }
@@ skipping 265 matching lines @@
 }
 
 bool UserImageManagerImpl::IsUserLoggedInAndHasGaiaAccount() const {
   const user_manager::User* user = GetUser();
   if (!user)
     return false;
   return user->is_logged_in() && user->HasGaiaAccount();
 }
 
 }  // namespace chromeos