net: Add namespace net to URLRequest and URLRequestJob classes.

chrome/browser/net/prerender_interceptor.cc

Index: chrome/browser/net/prerender_interceptor.cc
diff --git a/chrome/browser/net/prerender_interceptor.cc b/chrome/browser/net/prerender_interceptor.cc
index f4df5b423dbef58ef1748139fb0e343567027cd8..c1e5698b40be31a1736d471c278dc451e33bd618 100644
--- a/chrome/browser/net/prerender_interceptor.cc
+++ b/chrome/browser/net/prerender_interceptor.cc
@@ -34,12 +34,13 @@ PrerenderInterceptor::~PrerenderInterceptor() {
   URLRequest::UnregisterRequestInterceptor(this);
 }
 
-URLRequestJob* PrerenderInterceptor::MaybeIntercept(URLRequest* request) {
+net::URLRequestJob* PrerenderInterceptor::MaybeIntercept(
+    net::URLRequest* request) {
   return NULL;
 }
 
-URLRequestJob* PrerenderInterceptor::MaybeInterceptResponse(
-    URLRequest* request) {
+net::URLRequestJob* PrerenderInterceptor::MaybeInterceptResponse(
+    net::URLRequest* request) {
   // TODO(gavinp): unfortunately, we can't figure out the origin
   // of this request here on systems where the referrer is blocked by
   // configuration.