Introduce the plumbing necessary to report Unrecoverable error from model safe workers.

chrome/browser/sync/glue/sync_backend_host.cc

 // Copyright (c) 2011 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 "build/build_config.h"
 
 #include "chrome/browser/sync/glue/sync_backend_host.h"
 
 #include <algorithm>
 #include <map>
@@ skipping 507 matching lines @@
     const browser_sync::SyncProtocolError& sync_error) {
   if (!sync_loop_)
     return;
   DCHECK_EQ(MessageLoop::current(), sync_loop_);
   host_->frontend_loop_->PostTask(
       FROM_HERE,
       NewRunnableMethod(this, &Core::HandleActionableErrorEventOnFrontendLoop,
                         sync_error));
 }
 
+void SyncBackendHost::Core::OnUnrecoverableError(
+    const tracked_objects::Location& location,
+    const std::string& message) {
+  DCHECK_EQ(MessageLoop::current(), sync_loop_);
+  host_->frontend_loop_->PostTask(
+      FROM_HERE,
+      NewRunnableMethod(this, &Core::HandleUnrecoverableErrorOnFrontendLoop,
+                        location,
+                        message));
+
+}
+
 SyncBackendHost::Core::DoInitializeOptions::DoInitializeOptions(
     MessageLoop* sync_loop,
     SyncBackendRegistrar* registrar,
     const WeakHandle<JsEventHandler>& event_handler,
     const GURL& service_url,
     const scoped_refptr<net::URLRequestContextGetter>&
         request_context_getter,
     const sync_api::SyncCredentials& credentials,
     bool delete_sync_data_folder,
     const std::string& restored_key_for_bootstrapping,
@@ skipping 206 matching lines @@
 }
 
 void SyncBackendHost::Core::HandleActionableErrorEventOnFrontendLoop(
     const browser_sync::SyncProtocolError& sync_error) {
   if (!host_ || !host_->frontend_)
     return;
   DCHECK_EQ(MessageLoop::current(), host_->frontend_loop_);
   host_->frontend_->OnActionableError(sync_error);
 }
 
+void SyncBackendHost::Core::HandleUnrecoverableErrorOnFrontendLoop(
+    const tracked_objects::Location& location,
+    const std::string& message) {
+  if (!host_ || !host_->frontend_)
+    return;
+  DCHECK_EQ(MessageLoop::current(), host_->frontend_loop_);
+  host_->frontend_->OnUnrecoverableError(location, message);
+}
+
+
 void SyncBackendHost::Core::HandleAuthErrorEventOnFrontendLoop(
     const GoogleServiceAuthError& new_auth_error) {
   if (!host_ || !host_->frontend_)
     return;
 
   DCHECK_EQ(MessageLoop::current(), host_->frontend_loop_);
 
   host_->last_auth_error_ = new_auth_error;
   host_->frontend_->OnAuthError();
 }
@@ skipping 280 matching lines @@
       FROM_HERE,
       base::Bind(&SyncBackendHost::Core::DoRefreshEncryption,
                  core_.get(), sync_thread_done_callback));
 }
 
 #undef SVLOG
 
 #undef SLOG
 
 }  // namespace browser_sync