Files.app: Provide detailed change information on onDirectoryChanged event

chrome/browser/chromeos/drive/directory_loader_unittest.cc

 // Copyright 2014 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/directory_loader.h"
 
 #include "base/callback_helpers.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/prefs/testing_pref_service.h"
@@ skipping 28 matching lines @@
   virtual ~TestDirectoryLoaderObserver() {
     loader_->RemoveObserver(this);
   }
 
   const std::set<base::FilePath>& changed_directories() const {
     return changed_directories_;
   }
   void clear_changed_directories() { changed_directories_.clear(); }
 
   // ChageListObserver overrides:
-  virtual void OnDirectoryChanged(
+  virtual void OnDirectoryReloaded(
       const base::FilePath& directory_path) OVERRIDE {
     changed_directories_.insert(directory_path);
   }
 
  private:
   DirectoryLoader* loader_;
   std::set<base::FilePath> changed_directories_;
 
   DISALLOW_COPY_AND_ASSIGN(TestDirectoryLoaderObserver);
 };
@@ skipping 183 matching lines @@
 
   // Unlock the loader, this should resume the pending udpate.
   lock.reset();
   base::RunLoop().RunUntilIdle();
   EXPECT_EQ(1U, observer.changed_directories().count(
       util::GetDriveMyDriveRootPath()));
 }
 
 }  // namespace internal
 }  // namespace drive