Implement the new Sync Confirmation dialog on Linux and Windows.

chrome/browser/profiles/gaia_info_update_service.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/profiles/gaia_info_update_service.h"
 
 #include <stddef.h>
 
 #include "base/prefs/pref_service.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 67 matching lines @@
     return true;
 
   // This feature is disable by default.
   return false;
 }
 
 bool GAIAInfoUpdateService::NeedsProfilePicture() const {
   return true;
 }
 
-int GAIAInfoUpdateService::GetDesiredImageSideLength() const {
+unsigned int GAIAInfoUpdateService::GetDesiredImageSideLength() const {
   return 256;
 }
 
 Profile* GAIAInfoUpdateService::GetBrowserProfile() {
   return profile_;
 }
 
 std::string GAIAInfoUpdateService::GetCachedPictureURL() const {
   return profile_->GetPrefs()->GetString(prefs::kProfileGAIAInfoPictureURL);
 }
@@ skipping 122 matching lines @@
     const std::string& account_id,
     const std::string& username,
     const std::string& password) {
   OnUsernameChanged(username);
 }
 
 void GAIAInfoUpdateService::GoogleSignedOut(const std::string& account_id,
                                             const std::string& username) {
   OnUsernameChanged(std::string());
 }