base::Bind: Convert BrowsingDataFileSystemHelper::StartFetching.

chrome/browser/mock_browsing_data_file_system_helper.cc

 // Copyright (c) 2011 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 "base/callback.h"
 #include "base/logging.h"
 #include "chrome/browser/mock_browsing_data_file_system_helper.h"
 
 MockBrowsingDataFileSystemHelper::MockBrowsingDataFileSystemHelper(
     Profile* profile)
     : profile_(profile) {
 }
 
 MockBrowsingDataFileSystemHelper::~MockBrowsingDataFileSystemHelper() {
 }
 
 void MockBrowsingDataFileSystemHelper::StartFetching(
-    Callback1<const std::list<FileSystemInfo>& >::Type* callback) {
-  callback_.reset(callback);
+    const base::Callback<void(const std::list<FileSystemInfo>&)>& callback) {
+  callback_ = callback;
 }
 
 void MockBrowsingDataFileSystemHelper::CancelNotification() {
-  callback_.reset(NULL);
+  callback_.Reset();
 }
 
 void MockBrowsingDataFileSystemHelper::DeleteFileSystemOrigin(
     const GURL& origin) {
   std::string key = origin.spec();
   CHECK(file_systems_.find(key) != file_systems_.end());
   last_deleted_origin_ = origin;
   file_systems_[key] = false;
 }
 
 void MockBrowsingDataFileSystemHelper::AddFileSystem(
     const GURL& origin, bool has_persistent, bool has_temporary) {
   response_.push_back(BrowsingDataFileSystemHelper::FileSystemInfo(
       origin, has_persistent, has_temporary, 0, 0));
   file_systems_[origin.spec()] = true;
 }
 
 void MockBrowsingDataFileSystemHelper::AddFileSystemSamples() {
   AddFileSystem(GURL("http://fshost1:1/"), false, true);
   AddFileSystem(GURL("http://fshost2:2/"), true, false);
   AddFileSystem(GURL("http://fshost3:3/"), true, true);
 }
 
 void MockBrowsingDataFileSystemHelper::Notify() {
-  CHECK(callback_.get());
-  callback_->Run(response_);
+  CHECK_EQ(false, callback_.is_null());
+  callback_.Run(response_);
 }
 
 void MockBrowsingDataFileSystemHelper::Reset() {
   for (std::map<const std::string, bool>::iterator i = file_systems_.begin();
        i != file_systems_.end(); ++i)
     i->second = true;
 }
 
 bool MockBrowsingDataFileSystemHelper::AllDeleted() {
   for (std::map<const std::string, bool>::const_iterator i =
             file_systems_.begin();
        i != file_systems_.end(); ++i) {
     if (i->second)
       return false;
   }
   return true;
 }