Turned job_factory into a pure virtual class

chrome/browser/profiles/profile_impl_io_data.cc

Index: chrome/browser/profiles/profile_impl_io_data.cc
diff --git a/chrome/browser/profiles/profile_impl_io_data.cc b/chrome/browser/profiles/profile_impl_io_data.cc
index d4b0dff99ee88839c17e384d4872eda9ecb5b492..6810de37f53413fa776538bb23c5ac6c20bd0941 100644
--- a/chrome/browser/profiles/profile_impl_io_data.cc
+++ b/chrome/browser/profiles/profile_impl_io_data.cc
@@ -33,7 +33,7 @@
 #include "net/ftp/ftp_network_layer.h"
 #include "net/http/http_cache.h"
 #include "net/url_request/ftp_protocol_handler.h"
-#include "net/url_request/url_request_job_factory.h"
+#include "net/url_request/url_request_job_factory_impl.h"
 #include "webkit/quota/special_storage_policy.h"
 
 using content::BrowserThread;
@@ -445,9 +445,9 @@ void ProfileImplIOData::LazyInitializeInternal(
   main_context->set_chrome_url_data_manager_backend(
       chrome_url_data_manager_backend());
 
-  main_job_factory_.reset(new net::URLRequestJobFactory);
-  media_request_job_factory_.reset(new net::URLRequestJobFactory);
-  extensions_job_factory_.reset(new net::URLRequestJobFactory);
+  main_job_factory_.reset(new net::URLRequestJobFactoryImpl);
+  media_request_job_factory_.reset(new net::URLRequestJobFactoryImpl);
+  extensions_job_factory_.reset(new net::URLRequestJobFactoryImpl);
 
   net::URLRequestJobFactory* job_factories[3];
   job_factories[0] = main_job_factory_.get();