Files.app: Provide detailed change information on onDirectoryChanged event

chrome/browser/chromeos/drive/file_system_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 "chrome/browser/chromeos/drive/file_system.h"
 
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 42 matching lines @@
     quit.Run();
 }
 
 // This class is used to record directory changes and examine them later.
 class MockDirectoryChangeObserver : public FileSystemObserver {
  public:
   MockDirectoryChangeObserver() {}
   virtual ~MockDirectoryChangeObserver() {}
 
   // FileSystemObserver overrides.
-  virtual void OnDirectoryChanged(
-      const base::FilePath& directory_path) OVERRIDE {
+  virtual void OnDirectoryChanged(const base::FilePath& directory_path,
+                                  const FileChange* file_change) OVERRIDE {
     changed_directories_.push_back(directory_path);
   }
 
   const std::vector<base::FilePath>& changed_directories() const {
     return changed_directories_;
   }
 
  private:
   std::vector<base::FilePath> changed_directories_;
   DISALLOW_COPY_AND_ASSIGN(MockDirectoryChangeObserver);
@@ skipping 830 matching lines @@
       kEmbedOrigin,
       google_apis::test_util::CreateCopyResultCallback(&error, &share_url));
   test_util::RunBlockingPoolTask();
 
   // Verify the share url to the sharing dialog.
   EXPECT_EQ(FILE_ERROR_OK, error);
   EXPECT_TRUE(share_url.is_valid());
 }
 
 }   // namespace drive