Simplify the user agent code some more since after r255534 it's not affected by the site's URL.

chrome/browser/autofill/risk/fingerprint_browsertest.cc

Index: chrome/browser/autofill/risk/fingerprint_browsertest.cc
===================================================================
--- chrome/browser/autofill/risk/fingerprint_browsertest.cc	(revision 255624)
+++ chrome/browser/autofill/risk/fingerprint_browsertest.cc	(working copy)
@@ -8,6 +8,7 @@
 #include "base/message_loop/message_loop.h"
 #include "base/port.h"
 #include "chrome/browser/browser_process.h"
+#include "chrome/common/chrome_content_client.h"
 #include "chrome/test/base/in_process_browser_test.h"
 #include "components/autofill/content/browser/risk/proto/fingerprint.pb.h"
 #include "content/public/browser/geolocation_provider.h"
@@ -200,6 +201,7 @@
       "25.0.0.123", kCharset, kAcceptLanguages, base::Time::Now(),
       g_browser_process->GetApplicationLocale(),
       base::TimeDelta::FromDays(1),  // Ought to be longer than any test run.
+      GetUserAgent(),
       base::Bind(&AutofillRiskFingerprintTest::GetFingerprintTestCallback,
                  base::Unretained(this)));