Change webkit/{fileapi,quota} code to use TaskRunner.

webkit/fileapi/file_system_dir_url_request_job_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.
 //
 // NOTE: These tests are run as part of "unit_tests" (in chrome/test/unit)
 // rather than as part of test_shell_tests because they rely on being able
 // to instantiate a MessageLoop of type TYPE_IO.  test_shell_tests uses
 // TYPE_UI, which URLRequest doesn't allow.
 //
 
@@ skipping 75 matching lines @@
 
   void OnValidateFileSystem(base::PlatformFileError result) {
     ASSERT_EQ(base::PLATFORM_FILE_OK, result);
   }
 
   void TestRequestHelper(const GURL& url, bool run_to_completion) {
     delegate_.reset(new TestDelegate());
     delegate_->set_quit_on_redirect(true);
     request_.reset(new net::URLRequest(url, delegate_.get()));
     job_ = new FileSystemDirURLRequestJob(request_.get(),
-                                          file_system_context_.get(),
-                                          file_thread_proxy_);
+                                          file_system_context_.get());
 
     request_->Start();
     ASSERT_TRUE(request_->is_pending());  // verify that we're starting async
     if (run_to_completion)
       MessageLoop::current()->Run();
   }
 
   void TestRequest(const GURL& url) {
     TestRequestHelper(url, true);
   }
@@ skipping 182 matching lines @@
   CreateDirectory("foo");
   TestRequestNoRun(CreateFileSystemURL("foo/"));
   // Run StartAsync() and only StartAsync().
   MessageLoop::current()->DeleteSoon(FROM_HERE, request_.release());
   MessageLoop::current()->RunAllPending();
   // If we get here, success! we didn't crash!
 }
 
 }  // namespace (anonymous)
 }  // namespace fileapi