sync: Add GetAllSyncData to sync/api

chrome/browser/sync/glue/shared_change_processor.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/glue/shared_change_processor.h"
 
 #include "chrome/browser/sync/glue/generic_change_processor.h"
 #include "chrome/browser/sync/profile_sync_components_factory.h"
 #include "chrome/browser/sync/profile_sync_service.h"
 #include "content/public/browser/browser_thread.h"
@@ skipping 71 matching lines @@
 bool SharedChangeProcessor::Disconnect() {
   // May be called from any thread.
   DVLOG(1) << "Disconnecting change processor.";
   AutoLock lock(monitor_lock_);
   bool was_connected = !disconnected_;
   disconnected_ = true;
   error_handler_ = NULL;
   return was_connected;
 }
 
-syncer::SyncError SharedChangeProcessor::GetSyncData(
-    syncer::SyncDataList* current_sync_data) {
-  DCHECK(backend_loop_.get());
-  DCHECK(backend_loop_->BelongsToCurrentThread());
-  AutoLock lock(monitor_lock_);
-  if (disconnected_) {
-    syncer::SyncError error(FROM_HERE,
-                            syncer::SyncError::DATATYPE_ERROR,
-                            "Change processor disconnected.",
-                            type_);
-    return error;
-  }
-  return generic_change_processor_->GetSyncDataForType(type_,
-                                                       current_sync_data);
-}
-
 int SharedChangeProcessor::GetSyncCount() {
   DCHECK(backend_loop_.get());
   DCHECK(backend_loop_->BelongsToCurrentThread());
   AutoLock lock(monitor_lock_);
   if (disconnected_) {
     LOG(ERROR) << "Change processor disconnected.";
     return 0;
   }
   return generic_change_processor_->GetSyncCountForType(type_);
 }
@@ skipping 10 matching lines @@
     syncer::SyncError error(FROM_HERE,
                             syncer::SyncError::DATATYPE_ERROR,
                             "Change processor disconnected.",
                             type_);
     return error;
   }
   return generic_change_processor_->ProcessSyncChanges(
       from_here, list_of_changes);
 }
 
+syncer::SyncDataList SharedChangeProcessor::GetAllSyncData(
+    syncer::ModelType type) const {
+  syncer::SyncDataList data;
+  GetAllSyncDataReturnError(type, &data);  // Handles the disconnect case.
+  return data;
+}
+
+syncer::SyncError SharedChangeProcessor::GetAllSyncDataReturnError(
+    syncer::ModelType type,
+    syncer::SyncDataList* data) const {
+  DCHECK(backend_loop_.get());
+  DCHECK(backend_loop_->BelongsToCurrentThread());
+  AutoLock lock(monitor_lock_);
+  if (disconnected_) {
+    syncer::SyncError error(FROM_HERE,
+                            syncer::SyncError::DATATYPE_ERROR,
+                            "Change processor disconnected.",
+                            type_);
+    return error;
+  }
+  return generic_change_processor_->GetAllSyncDataReturnError(type, data);
+}
+
 bool SharedChangeProcessor::SyncModelHasUserCreatedNodes(bool* has_nodes) {
   DCHECK(backend_loop_.get());
   DCHECK(backend_loop_->BelongsToCurrentThread());
   AutoLock lock(monitor_lock_);
   if (disconnected_) {
     LOG(ERROR) << "Change processor disconnected.";
     return false;
   }
   return generic_change_processor_->SyncModelHasUserCreatedNodes(
       type_, has_nodes);
@@ skipping 32 matching lines @@
     return error_handler_->CreateAndUploadError(location, message, type_);
   } else {
     return syncer::SyncError(location,
                              syncer::SyncError::DATATYPE_ERROR,
                              message,
                              type_);
   }
 }
 
 }  // namespace browser_sync