Remove WorkerPool dependency from URLRequestFileJob.

net/url_request/url_request_context_builder.cc

Index: net/url_request/url_request_context_builder.cc
diff --git a/net/url_request/url_request_context_builder.cc b/net/url_request/url_request_context_builder.cc
index 540dfc1082bd81c127f69468b7666235c5f60891..bbeb6d954bf41352cc89580e8ea6b4a7a269a5cf 100644
--- a/net/url_request/url_request_context_builder.cc
+++ b/net/url_request/url_request_context_builder.cc
@@ -184,13 +184,17 @@ URLRequestContextBuilder::HttpNetworkSessionParams::HttpNetworkSessionParams()
 URLRequestContextBuilder::HttpNetworkSessionParams::~HttpNetworkSessionParams()
 {}
 
-URLRequestContextBuilder::URLRequestContextBuilder()
+URLRequestContextBuilder::URLRequestContextBuilder(
+    const scoped_refptr<base::TaskRunner>& task_runner)

[akalin, 2013/08/15 17:43:05]

don't think you need this parameter -- see context->file_message_loop() used
below

     : data_enabled_(false),
       file_enabled_(false),
 #if !defined(DISABLE_FTP_SUPPORT)
       ftp_enabled_(false),
 #endif
-      http_cache_enabled_(true) {}
+      http_cache_enabled_(true),
+      task_runner_(task_runner) {
+}
+
 URLRequestContextBuilder::~URLRequestContextBuilder() {}
 
 #if defined(OS_LINUX) || defined(OS_ANDROID)
@@ -301,7 +305,8 @@ URLRequestContext* URLRequestContextBuilder::Build() {
   if (data_enabled_)
     job_factory->SetProtocolHandler("data", new DataProtocolHandler);
   if (file_enabled_)
-    job_factory->SetProtocolHandler("file", new FileProtocolHandler);
+    job_factory->SetProtocolHandler("file",
+                                    new FileProtocolHandler(task_runner_));
 #if !defined(DISABLE_FTP_SUPPORT)
   if (ftp_enabled_) {
     ftp_transaction_factory_.reset(