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

webkit/fileapi/file_system_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 104 matching lines @@
     delegate_.reset(new TestDelegate());
     // Make delegate_ exit the MessageLoop when the request is done.
     delegate_->set_quit_on_complete(true);
     delegate_->set_quit_on_redirect(true);
     request_.reset(new net::URLRequest(url, delegate_.get()));
     if (headers)
       request_->SetExtraRequestHeaders(*headers);
     ASSERT_TRUE(!job_);
     job_ = new FileSystemURLRequestJob(
         request_.get(),
-        file_system_context_.get(),
-        base::MessageLoopProxy::current());
+        file_system_context_.get());
     pending_job_ = job_;
 
     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, NULL, true);
@@ skipping 233 matching lines @@
 
   TestRequest(CreateFileSystemURL(kFilename));
 
   std::string mime_type_from_job;
   request_->GetMimeType(&mime_type_from_job);
   EXPECT_EQ(mime_type_direct, mime_type_from_job);
 }
 
 }  // namespace
 }  // namespace fileapi