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 7ece88cabd4737792e234485f38ecfa789c4b0c4..5fc8099df953eec2a225be57dca0132b6eaa231e 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"
@@ -90,7 +90,7 @@ 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);