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

webkit/tools/test_shell/test_shell_request_context.cc

Index: webkit/tools/test_shell/test_shell_request_context.cc
diff --git a/webkit/tools/test_shell/test_shell_request_context.cc b/webkit/tools/test_shell/test_shell_request_context.cc
index 71c46fca883dfb6159bb4023e9fc29c7cbae4fca..a2844792851052ec7b956780dedd5550a6900672 100644
--- a/webkit/tools/test_shell/test_shell_request_context.cc
+++ b/webkit/tools/test_shell/test_shell_request_context.cc
@@ -127,9 +127,7 @@ void TestShellRequestContext::Init(
           SimpleResourceLoaderBridge::GetIoThread()));
   job_factory->SetProtocolHandler(
       "filesystem",
-      fileapi::CreateFileSystemProtocolHandler(
-          file_system_context_.get(),
-          SimpleResourceLoaderBridge::GetIoThread()));
+      fileapi::CreateFileSystemProtocolHandler(file_system_context_.get()));
   storage_.set_job_factory(job_factory);
 }