Turned job_factory into a pure virtual class

net/proxy/proxy_script_fetcher_impl_unittest.cc

Index: net/proxy/proxy_script_fetcher_impl_unittest.cc
diff --git a/net/proxy/proxy_script_fetcher_impl_unittest.cc b/net/proxy/proxy_script_fetcher_impl_unittest.cc
index 62b5fbc86e1935e2ee12f5ea39a74780ca374b50..6b543219cb93bc3c17781ccef205096f1b7fcb01 100644
--- a/net/proxy/proxy_script_fetcher_impl_unittest.cc
+++ b/net/proxy/proxy_script_fetcher_impl_unittest.cc
@@ -23,7 +23,7 @@
 #include "net/test/test_server.h"
 #include "net/url_request/url_request_context_storage.h"
 #include "net/url_request/url_request_file_job.h"
-#include "net/url_request/url_request_job_factory.h"
+#include "net/url_request/url_request_job_factory_impl.h"
 #include "net/url_request/url_request_test_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/platform_test.h"
@@ -88,7 +88,7 @@ class RequestContext : public URLRequestContext {
     storage_.set_http_transaction_factory(new HttpCache(
         network_session,
         HttpCache::DefaultBackend::InMemory(0)));
-    url_request_job_factory_.reset(new URLRequestJobFactory);
+    url_request_job_factory_.reset(new URLRequestJobFactoryImpl);
     set_job_factory(url_request_job_factory_.get());
     url_request_job_factory_->AddInterceptor(
         new CheckNoRevocationFlagSetInterceptor);