Add support for multi-line GlobalError messages to Views.

chrome/browser/sync/sync_global_error.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/sync/sync_global_error.h"
 
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/sync/profile_sync_service.h"
 #include "chrome/browser/sync/profile_sync_service_observer.h"
 #include "chrome/browser/sync/sync_ui_util.h"
@@ skipping 46 matching lines @@
 }
 
 bool SyncGlobalError::HasBubbleView() {
   return !bubble_message_.empty() && !bubble_accept_label_.empty();
 }
 
 string16 SyncGlobalError::GetBubbleViewTitle() {
   return l10n_util::GetStringUTF16(IDS_SYNC_ERROR_BUBBLE_VIEW_TITLE);
 }
 
-string16 SyncGlobalError::GetBubbleViewMessage() {
-  return bubble_message_;
+std::vector<string16> SyncGlobalError::GetBubbleViewMessages() {
+  return std::vector<string16>(1, bubble_message_);
 }
 
 string16 SyncGlobalError::GetBubbleViewAcceptButtonLabel() {
   return bubble_accept_label_;
 }
 
 string16 SyncGlobalError::GetBubbleViewCancelButtonLabel() {
   return string16();
 }
 
@@ skipping 28 matching lines @@
     bubble_accept_label_ = bubble_accept_label;
 
     // Profile can be NULL during tests.
     Profile* profile = service_->profile();
     if (profile) {
       GlobalErrorServiceFactory::GetForProfile(
           profile)->NotifyErrorsChanged(this);
     }
   }
 }