Fix FTP directory listing page error by adding "language" key

chrome/browser/net/ftp_browsertest.cc

Index: chrome/browser/net/ftp_browsertest.cc
diff --git a/chrome/browser/net/ftp_browsertest.cc b/chrome/browser/net/ftp_browsertest.cc
index 2037826604f5fd41aef0844b8fbccd8fb5134511..cdc04e61cdcc0aef38148dfed9d540eec4074426 100644
--- a/chrome/browser/net/ftp_browsertest.cc
+++ b/chrome/browser/net/ftp_browsertest.cc
@@ -8,7 +8,7 @@
 #include "build/build_config.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
-#include "chrome/test/base/in_process_browser_test.h"
+#include "chrome/test/base/javascript_browser_test.h"
 #include "chrome/test/base/ui_test_utils.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/test/browser_test_utils.h"
@@ -16,7 +16,7 @@
 #include "testing/gtest/include/gtest/gtest.h"
 #include "url/gurl.h"
 
-class FtpBrowserTest : public InProcessBrowserTest {
+class FtpBrowserTest : public JavaScriptBrowserTest {
  public:
   FtpBrowserTest()
       : ftp_server_(net::SpawnedTestServer::TYPE_FTP,
@@ -24,6 +24,15 @@ class FtpBrowserTest : public InProcessBrowserTest {
                     base::FilePath(FILE_PATH_LITERAL("chrome/test/data/ftp"))) {
   }
 
+  void TearDownOnMainThread() override {
+    // TODO(dbeam): should all JavaScriptBrowserTests do something like this?
+    if (has_console_info()) {
+      FAIL();

[mmenke, 2016/06/03 16:05:51]

ADD_FAILURE()?  The FAIL macro includes a return statement, just like the ASSERT
ones do.

[Dan Beam, 2016/06/03 18:58:27]

Done.

+      set_has_console_info(false);
+    }
+    JavaScriptBrowserTest::TearDownOnMainThread();
+  }
+
  protected:
   net::SpawnedTestServer ftp_server_;
 };