base::Bind: Convert most of webkit/appcache.

webkit/fileapi/file_system_dir_url_request_job_unittest.cc

Index: webkit/fileapi/file_system_dir_url_request_job_unittest.cc
diff --git a/webkit/fileapi/file_system_dir_url_request_job_unittest.cc b/webkit/fileapi/file_system_dir_url_request_job_unittest.cc
index fb52cd2d453090398545e13ebe39d4a5d80ac052..e7871c83c0aa4014aa77b1ea6fce89e3b26d6897 100644
--- a/webkit/fileapi/file_system_dir_url_request_job_unittest.cc
+++ b/webkit/fileapi/file_system_dir_url_request_job_unittest.cc
@@ -281,21 +281,11 @@ TEST_F(FileSystemDirURLRequestJobTest, NoSuchDirectory) {
   EXPECT_EQ(net::ERR_FILE_NOT_FOUND, request_->status().error());
 }
 
-class QuitNowTask : public Task {
- public:
-  virtual void Run() {
-    MessageLoop::current()->QuitNow();
-  }
-};
-
 TEST_F(FileSystemDirURLRequestJobTest, Cancel) {
   CreateDirectory("foo");
   TestRequestNoRun(CreateFileSystemURL("foo/"));
   // Run StartAsync() and only StartAsync().
-  MessageLoop::current()->PostTask(FROM_HERE, new QuitNowTask);
-  MessageLoop::current()->Run();
-
-  request_.reset();
+  MessageLoop::current()->DeleteSoon(FROM_HERE, request_.release());
   MessageLoop::current()->RunAllPending();
   // If we get here, success! we didn't crash!
 }