net: Add namespace net to the remaining files under url_request directory.

chrome/browser/chromeos/login/user_image_downloader.cc

Index: chrome/browser/chromeos/login/user_image_downloader.cc
diff --git a/chrome/browser/chromeos/login/user_image_downloader.cc b/chrome/browser/chromeos/login/user_image_downloader.cc
index 2efa79644928286203e19b575d492b956cd143a7..b3da66aea4698e373b1791f514cd34a12be68af1 100644
--- a/chrome/browser/chromeos/login/user_image_downloader.cc
+++ b/chrome/browser/chromeos/login/user_image_downloader.cc
@@ -57,12 +57,13 @@ UserImageDownloader::UserImageDownloader(const std::string& username,
 UserImageDownloader::~UserImageDownloader() {
 }
 
-void UserImageDownloader::OnURLFetchComplete(const URLFetcher* source,
-                                             const GURL& url,
-                                             const URLRequestStatus& status,
-                                             int response_code,
-                                             const ResponseCookies& cookies,
-                                             const std::string& data) {
+void UserImageDownloader::OnURLFetchComplete(
+    const URLFetcher* source,
+    const GURL& url,
+    const net::URLRequestStatus& status,
+    int response_code,
+    const ResponseCookies& cookies,
+    const std::string& data) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   if (response_code != 200) {
     LOG(ERROR) << "Response code is " << response_code;