net: Remove FilePath version of URLRequestMockHTTPJob::GetMockUrl().

chrome/browser/net/dns_probe_browsertest.cc

Index: chrome/browser/net/dns_probe_browsertest.cc
diff --git a/chrome/browser/net/dns_probe_browsertest.cc b/chrome/browser/net/dns_probe_browsertest.cc
index 1cb43e7154af181a83c8b5a3b4088c20c0f34306..178d36f0268ed6a511b102a6813ca8319b5fde92 100644
--- a/chrome/browser/net/dns_probe_browsertest.cc
+++ b/chrome/browser/net/dns_probe_browsertest.cc
@@ -898,12 +898,8 @@ IN_PROC_BROWSER_TEST_F(DnsProbeBrowserTest, CorrectionsLoadStoppedSlowProbe) {
 IN_PROC_BROWSER_TEST_F(DnsProbeBrowserTest, NoProbeInSubframe) {
   SetCorrectionServiceBroken(false);
 
-  const FilePath::CharType kIframeDnsErrorHtmlName[] =
-      FILE_PATH_LITERAL("iframe_dns_error.html");
-
-  NavigateToURL(
-      browser(),
-      URLRequestMockHTTPJob::GetMockUrl(FilePath(kIframeDnsErrorHtmlName)));
+  NavigateToURL(browser(),
+                URLRequestMockHTTPJob::GetMockUrl("iframe_dns_error.html"));
 
   // By the time NavigateToURL returns, the browser will have seen the failed
   // provisional load.  If a probe was started (or considered but not run),