[dom_distiller] Add support for incremental viewer.

components/dom_distiller/core/fake_db.cc

 // Copyright 2013 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 "components/dom_distiller/core/fake_db.h"
 
 #include "base/bind.h"
 
 namespace dom_distiller {
 namespace test {
 
 FakeDB::FakeDB(EntryMap* db) : db_(db) {}
 
 FakeDB::~FakeDB() {}
 
 void FakeDB::Init(const base::FilePath& database_dir,
                   DomDistillerDatabaseInterface::InitCallback callback) {
-  dir_ = database_dir;
+ dir_ = database_dir;
   init_callback_ = callback;
 }
 
 void FakeDB::UpdateEntries(
     scoped_ptr<EntryVector> entries_to_save,
     scoped_ptr<EntryVector> entries_to_remove,
     DomDistillerDatabaseInterface::UpdateCallback callback) {
   for (EntryVector::iterator it = entries_to_save->begin();
        it != entries_to_save->end();
        ++it) {
@@ skipping 41 matching lines @@
   callback.Run(success, entries.Pass());
 }
 
 // static
 base::FilePath FakeDB::DirectoryForTestDB() {
   return base::FilePath(FILE_PATH_LITERAL("/fake/path"));
 }
 
 }  // namespace test
 }  // namespace dom_distiller