When the download folder does not exist, change the download folder to a user's "Downloads"

chrome/browser/net/url_request_mock_util.cc

Index: chrome/browser/net/url_request_mock_util.cc
diff --git a/chrome/browser/net/url_request_mock_util.cc b/chrome/browser/net/url_request_mock_util.cc
index c0b1fbbd425234cd3a432b35fff93eb28c8f2bad..9df6304c9138681873d33418ec9efeae003e7fa6 100644
--- a/chrome/browser/net/url_request_mock_util.cc
+++ b/chrome/browser/net/url_request_mock_util.cc
@@ -6,6 +6,7 @@
 
 #include <string>
 
+#include "base/file_util.h"
 #include "base/path_service.h"
 #include "base/threading/thread_restrictions.h"
 #include "chrome/browser/net/url_request_mock_link_doctor_job.h"
@@ -36,10 +37,16 @@ void SetUrlRequestMocksEnabled(bool enabled) {
     URLRequestMockLinkDoctorJob::AddUrlHandler();
     URLRequestSlowDownloadJob::AddUrlHandler();
 
-    FilePath root_http;
-    PathService::Get(chrome::DIR_TEST_DATA, &root_http);
-    URLRequestMockHTTPJob::AddUrlHandler(root_http);
-    URLRequestSlowHTTPJob::AddUrlHandler(root_http);
+    FilePath test_dir;
+    if (!PathService::Get(chrome::DIR_TEST_DATA, &test_dir))
+      NOTREACHED();
+    URLRequestMockHTTPJob::AddUrlHandler(test_dir);
+    URLRequestSlowHTTPJob::AddUrlHandler(test_dir);
+
+    FilePath temp_dir;
+    if (!file_util::GetTempDir(&temp_dir))
+      NOTREACHED();
+    URLRequestMockHTTPJob::AddUrlOfTempDirHandler(temp_dir);
   } else {
     // Revert to the default handlers.
     net::URLRequestFilter::GetInstance()->ClearHandlers();