Add 'Dump Database' tab to syncfs-internals (only for v2 for now)

chrome/browser/sync_file_system/mock_remote_file_sync_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/sync_file_system/mock_remote_file_sync_service.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/location.h"
@@ skipping 35 matching lines @@
 }
 
 MockRemoteFileSyncService::~MockRemoteFileSyncService() {
 }
 
 scoped_ptr<base::ListValue> MockRemoteFileSyncService::DumpFiles(
     const GURL& origin) {
   return scoped_ptr<base::ListValue>();
 }
 
+scoped_ptr<base::ListValue> MockRemoteFileSyncService::DumpDatabase() {
+  return scoped_ptr<base::ListValue>();
+}
+
 void MockRemoteFileSyncService::SetServiceState(RemoteServiceState state) {
   state_ = state;
 }
 
 void MockRemoteFileSyncService::NotifyRemoteChangeQueueUpdated(
     int64 pending_changes) {
   FOR_EACH_OBSERVER(Observer, service_observers_,
                     OnRemoteChangeQueueUpdated(pending_changes));
 }
 
@@ skipping 57 matching lines @@
 ConflictResolutionPolicy
 MockRemoteFileSyncService::GetConflictResolutionPolicyStub() const {
   return conflict_resolution_policy_;
 }
 
 RemoteServiceState MockRemoteFileSyncService::GetCurrentStateStub() const {
   return state_;
 }
 
 }  // namespace sync_file_system