sync: Add GetAllSyncData to sync/api

chrome/browser/spellchecker/spellcheck_custom_dictionary_unittest.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 <vector>
 
 #include "base/file_util.h"
 #include "base/metrics/histogram_samples.h"
 #include "base/metrics/statistics_recorder.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 104 matching lines @@
       : dictionary_(dictionary) {}
   virtual ~SyncChangeProcessorDelegate() {}
 
   // Overridden from syncer::SyncChangeProcessor:
   virtual syncer::SyncError ProcessSyncChanges(
       const tracked_objects::Location& from_here,
       const syncer::SyncChangeList& change_list) OVERRIDE {
     return dictionary_->ProcessSyncChanges(from_here, change_list);
   }
 
+  virtual syncer::SyncDataList GetAllSyncData(syncer::ModelType type) const {
+    return syncer::SyncDataList();
+  }
+
  private:
   SpellcheckCustomDictionary* dictionary_;
   DISALLOW_COPY_AND_ASSIGN(SyncChangeProcessorDelegate);
 };
 
 // An implementation of SyncErrorFactory that does not upload the error message
 // and updates an outside error counter. This lets us know the number of error
 // messages in an instance of this class after that instance is deleted.
 class SyncErrorFactoryStub : public syncer::SyncErrorFactory {
  public:
@@ skipping 980 matching lines @@
       SpellcheckServiceFactory::GetForProfile(&profile_);
   SpellcheckCustomDictionary* custom_dictionary =
       spellcheck_service->GetCustomDictionary();
   OnLoaded(*custom_dictionary, WordList());
   EXPECT_FALSE(custom_dictionary->HasWord("foo"));
   EXPECT_FALSE(custom_dictionary->HasWord("bar"));
   custom_dictionary->AddWord("foo");
   EXPECT_TRUE(custom_dictionary->HasWord("foo"));
   EXPECT_FALSE(custom_dictionary->HasWord("bar"));
 }