Decouple URLRequestJob from URLRequestContext; access NetworkDelegate as a contructor parameter.

webkit/fileapi/file_writer_delegate_unittest.cc

Index: webkit/fileapi/file_writer_delegate_unittest.cc
diff --git a/webkit/fileapi/file_writer_delegate_unittest.cc b/webkit/fileapi/file_writer_delegate_unittest.cc
index d79f03dcdbc688710e70e0fb6debfdad0a7077a5..df7cb7088ffd1ebc373a1b276a66216f729fe9e4 100644
--- a/webkit/fileapi/file_writer_delegate_unittest.cc
+++ b/webkit/fileapi/file_writer_delegate_unittest.cc
@@ -12,6 +12,7 @@
 #include "googleurl/src/gurl.h"
 #include "net/base/io_buffer.h"
 #include "net/url_request/url_request.h"
+#include "net/url_request/url_request_context.h"
 #include "net/url_request/url_request_job.h"
 #include "net/url_request/url_request_status.h"
 #include "testing/platform_test.h"
@@ -144,7 +145,7 @@ class FileWriterDelegateTestJob : public net::URLRequestJob {
  public:
   FileWriterDelegateTestJob(net::URLRequest* request,
                             const std::string& content)
-      : net::URLRequestJob(request),
+      : net::URLRequestJob(request, request->context()->network_delegate()),
         content_(content),
         remaining_bytes_(content.length()),
         cursor_(0) {